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

Ex Input:
Sentence: 'A baseball player attempting to slide into a base'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A train on a track in the middle of a neighborhood'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'People sitting around a table eating delivery pizza'. Count the number of verbs in this sentence.

Ex Output:

2