Read the following context and answer the 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 .
Question: Why were n't they nervous about being at school ?
Answer:


They recognized people that are there .