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 bid walking on a stream of water next to green plants'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'A rusty old train on top of train tracks'. Count the number of verbs in this sentence.

Ex Output:
0