There are some students in front of the lost and found box.

There are some students in front of the lost and found box. The duty monitor Alan is asking some questions.

Alan: Jim, is this your English book?
Jim: No, it isn’t.
Alan: Linda, is this your English book?
Linda: Yes, it is. Thanks.
Alan: Gina, what colour is your pencil?
Gina: It’s green.
Alan: Is this your pencil?
Gina: Yes, it is. Thank you.
Alan: What is your name?
Jenny: My name is Jenny.
Alan: Is your ruler green or yellow?
Jenny: It’s green. There’s my name “Jenny” on it.
Alan: Oh, here you are.
Alan: Here’s a nice bag; whose bag is this?
Paul: Let me see. . . Oh, it’s mine.
Alan: Look at the cute doll. Is this yours, Mary?
Mary: No, it isn’t. I think it’s Betty’s. Is there a watch in it?
Alan: Sorry, I haven’t seen it so far.
根据对话内容, 完成以下任务。
小题1:Students lose things. They can look for them in the .
小题2:Gina lost a　 . The colour is .
小题3:The owner of the English book is　 　　　 .
The owner of the bag is 　　　　 .