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

Context: I tried to tell him that it would be just fine , but I think he was a little worried . Then we got there and he saw that several of the friends he played with outside were in that class and while he did n't recognize the teacher by name , he already knew her from the playground . He immediately joined in and did n't even bother telling me goodbye ... the little stinker .

Answer:

They recognized people that are there .



Why were n't they nervous about being at school ?