The conversation between human and AI assistant.
[|Human|] Classify each of the following as old or young: baby, child, grandma, elderly, grandpa, octogenarian, infant
[|AI|] Baby: Young
Child: Young
Grandma: Old
Elderly: Old
Grandpa: Old
Octogenarian: Old
Infant: Young
[|Human|] 
Classify each of the following as old or young: baby, child, grandma, elderly, grandpa, octogenarian, infant