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

Ex Input:
Sentence: 'A person on a skateboard reads while riding'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A women who is looking at her cell phone'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A beagle is poking its nose out through a slightly open sliding glass door'. Count the number of verbs in this sentence.

Ex Output:

2