The conversation between human and AI assistant.
[|Human|] Classify the following as smooth or sharp: broken glass, thorn, leather, baby skin, cactus, mirror
[|AI|] Broken Glass: Sharp
Thorn: Sharp
Leather: Smooth
Baby Skin: Smooth
Cactus: Sharp
Mirror: Smooth
[|Human|] 
Classify the following as smooth or sharp: broken glass, thorn, leather, baby skin, cactus, mirror