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

Ex Input:
Sentence: 'Man rubs hands and looks to long narrow pizza'. Count the number of verbs in this sentence.

Ex Output:
2

Ex Input:
Sentence: 'The post on the street has a clock displayed'. Count the number of nouns in this sentence.

Ex Output:
3

Ex Input:
Sentence: 'The players are playing a game of Frisbee on the grass'. Count the number of verbs in this sentence.

Ex Output:
1