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

Ex Input:
Sentence: 'Century old buildings stand near streets in a city'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'a close up of a person holding a sandwich'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'Beautiful stained glass window surrounded by brick architecture'. Count the number of verbs in this sentence.

Ex Output:

2