回答如下：以下是一段可能的四人英文对话：

Tom: Hi, everyone! How was your day at school today?

Jack: That sounds fun. What animals did you learn about?

Lily: We learned about lions, tigers, and bears. Oh my!

Tom: Speaking of animals, has anyone seen the new cat that's been hanging around the playground?

Lily: I saw it this morning! It's a stray, isn't it?

Jack: Yeah, I think so. We should try to find it a home.