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

Ex Input:
Sentence: 'A family walking towards a very small airplane'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A variety of shots of a man doing skateboarding tricks'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'Long strip of signs for businesses with people walking on street'. Count the number of nouns in this sentence.

Ex Output:

5