Based on the context and the answer, generate a question. 

Context: I made sure to correct her mistaken notion about knowledge , but will gladly relinquish my medication - giving duties . Let him have some sticky purple stuff spit out onto his shirt a few times . Since they were no longer puking their guts up , we took them for their 5 year well check up this morning . Frick is 39 inches tall and 36lbs . Frack is 38 inches and 30 1/2 lbs .

Answer:

They were sick .



What might we know about their pets before they went for their check - up ?