In this task, you need to count the number of nouns/verbs in the given sentence.

Sentence: 'A man brushing his teeth with a tooth brush'. Count the number of nouns in this sentence.
4

Sentence: 'A group of people march across a field with a red flag'. Count the number of nouns in this sentence.
4

Sentence: 'The animals are in the small stream of water'. Count the number of nouns in this sentence.

3