The conversation between human and AI assistant.
[|Human|] Tell me which of the following items are trees and which ones are weeds: aspen, ash, chickweed, crabgrass, oak, almond, dandelion
[|AI|] tree: aspen, ash, oak, almond
weed: chickweed, crabgrass, dandelion
[|Human|] 
Tell me which of the following items are trees and which ones are weeds: aspen, ash, chickweed, crabgrass, oak, almond, dandelion