Definition: A noun phrase includes a noun and the modifiers which distinguishes it
1) aunt Audrey's dog ran out of the house
2)The neighbors dog is barking violently
3)The police officers dog is taking out the bad guy
4)The whale is stuck in the ice and is about to die
5)The loin is taking out the antelope
Its important to craft well noun phrase because you can find the noun dog in a sentence,for example, but you wont know what canine the writer means until you consider the entire noun phrase.