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

Ex Input:
Sentence: 'A person is fixing a sail on a boat'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'People are boarding and departing a train at a station'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A residential bathroom with black tile and pink curtains'. Count the number of nouns in this sentence.

Ex Output:

3