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 ?
Options:
0. They got to play with their favorite toys .
1. They recognized people that are there .
2. None of the above choices .
3. They knew them from daycare .
Answer: 1