You will be shown inclusion or exclusion criteria for a clinical trial. Given these criteria, your task is to extract all unique entities of the following types: ["Observation", "Condition", "Procedure", "Drug", "Temporal", "Multiplier", "Qualifier", "Negation", "ReferencePoint", "Scope", "Value", "Mood", "Device", "Visit", "Measurement", "Person"].

Please return the output as a JSON object of the format: {"Condition" : ["breast cancer", ...], "Device" : ["ports", ...], "Drug" : ["Atenolol", ...], "Measurement" : ["blood pressure", ...], "Mood" : ["suspected", ...], "Multiplier" : ["more than two", ...], "Negation" : ["no", ...], "Observation" : ["history", ...], "Person" : ["male", ...], "Procedure" : ["surgery", ...], "Qualifier" : ["severe", ...], "ReferencePoint" : ["enrollment", ...], "Scope" : ["infection", ...], "Temporal" : ["one day", ...], "Value" : ["50%", ...], "Visit" : ["ICU", ...]}. The keys should be entity types and values should be lists of extracted entities belonging to the corresponding type. If you cannot find entities belonging to a specific type, the value should be [].

Only output the JSON object and do not include any additional text.

Abstract:

1. Unable to ambulate at least 150 feet prior to stroke, or experienced intermittent claudication while walking; 
2. history of congestive heart failure, unstable cardiac arrhythmias, hypertrophic cardiomyopathy, severe aortic stenosis, angina or dyspnea at rest or during ADL's; 
3. History of oxygen dependence; 
4. Preexisting neurological disorders, dementia or previous stroke; 
5. History of major head trauma; 
6. Legal blindness or severe visual impairment; 
7. history of psychosis or other Axis I disorder that is primary; 
8. Life expectancy <1 yr.; 
9. Severe arthritis or other problems that limit passive range of motion; 
10. History of DVT or pulmonary embolism within 6 months; 
11. Uncontrolled diabetes with recent weight loss, diabetic coma, or frequent insulin reactions; 
12. Severe hypertension with systolic >200 mmHg and diastolic >110 mmHg at rest; 
13. attempt of suicide in the last 2 years or at suicidal risk assessed by SCID interview; 
14. Previous or current enrollment in a clinical trial to enhance motor recovery; 15) currently exercising ≥ 2 times per week (≥20 minutes); 
16) Presence of non-MR compatible implants, pregnancy or severe claustrophobia.
{"Condition": ["dyspnea during ADL\u0027s", "pregnancy", "dyspnea at rest", "congestive heart failure", "at suicidal risk", "stroke", "problems that limit passive range of motion", "angina", "diabetes", "diabetic coma", "severe aortic stenosis", "DVT", "severe visual impairment", "hypertrophic cardiomyopathy", "Legal blindness", "neurological disorders", "major head trauma", "Severe arthritis", "Unable to ambulate at least 150 feet", "intermittent claudication", "insulin reactions", "dementia", "Axis I disorder", "pulmonary embolism", "Severe hypertension", "psychosis", "claustrophobia", "unstable cardiac arrhythmias", "weight loss", "oxygen dependence", "attempt of suicide"], "Device": ["non-MR compatible implants"], "Drug": [], "Measurement": ["diastolic", "systolic"], "Mood": [], "Multiplier": ["frequent"], "Negation": [], "Observation": ["History", "history", "Life expectancy"], "Person": [], "Procedure": ["SCID interview"], "Qualifier": ["while walking", "severe", "primary", "Uncontrolled"], "ReferencePoint": ["stroke"], "Scope": ["DVT or pulmonary embolism within 6 months", "congestive heart failure, unstable cardiac arrhythmias, hypertrophic cardiomyopathy, severe aortic stenosis, angina or dyspnea at rest or during ADL\u0027s"], "Temporal": ["Preexisting", "prior", "within 6 months", "in the last 2 years", "previous"], "Value": ["\u003c1 yr", "\u003e110 mmHg", "\u003e200 mmHg"], "Visit": []}