A: What a wonderful zoo! Look at the two trees near the lake.

B: They are both beautiful. What are those under the taller tree?

A: They are two elephants. The left elephant is much bigger than the right one.

B: Look! What are the monkeys doing?

A: The older monkey is picking bananas for the younger monkey.

B: They are so cute.

A: Yes. What are the two pandas doing there?

B: They are eating. The heavier panda is so funny.

A: Haha…