Read the following context and choose the best option to answer the question.
Context: I am a day behind in posting , so I 'll share with you some pics of the girls at the park last night and then our trip out for ice cream . See the coat on Emma ? It 's because it 's getting cool at night . It is the inevitable !
Question: Why is Emma dressed up ?
Options: 
- The weather has dipped .
 - They are at a dance in the park .
 - They are at a formal charity event for the park .
 - They are going to a formal dinner .


The weather has dipped .