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

Ex Input:
Sentence: 'Yellow utility truck parked inside a warehouse by itself'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A dog is sitting on a couch with it's head turned to look out of the window'. Count the number of verbs in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'Three labs are standing near a grassy doorway'. Count the number of nouns in this sentence.

Ex Output:

2