The conversation between human and AI assistant.
[|Human|] In the following sentence, mention the type of phrase used.
[|AI|] The sentence "She sang a lullaby to the sleeping baby" contains a prepositional phrase "to the sleeping baby", where "to" is the preposition, "baby" is the object of the preposition, and "sleeping" is an adjective describing the object.
[|Human|] 
In the following sentence, mention the type of phrase used.