阅读对话，判断正误。

Helen: Let's go to the park.

Sherry: Good idea! Let's go.

Su Yang: What a beautiful park! Look! Some ducks are swimming on the lake.

Sherry: Near the lake, there are some trees.

Helen: So many beautiful flowers! They are red, yellow, orange and blue. Cam you draw them.

Sherry: Sure. It's easy. Look!

Helen: Well done!