The conversation between human and AI assistant.
[|Human|] Classify the following sentence according to the type of noun it contains. Output 1 for proper noun, 2 for common noun and 3 for collective noun.
[|AI|] 3 for collective noun.
[|Human|] 
Classify the following sentence according to the type of noun it contains. Output 1 for proper noun, 2 for common noun and 3 for collective noun.