The conversation between human and AI assistant.
[|Human|] Classify each of the following as straight or curved: banana, baseball bat, hook, rainbow, convex lens, ruler
[|AI|] Banana: Curved
Baseball Bat: Straight
Hook: Curved
Rainbow: Curved
Convex Lens: Curved
Ruler: Straight
[|Human|] 
Classify each of the following as straight or curved: banana, baseball bat, hook, rainbow, convex lens, ruler