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

Ex Input:
Sentence: 'The stuffed bears are covered in flakes of fake snow'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'One person tossing a frisbee to another person in front of some trees'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'an image of coworkers smiling at the camera'. Count the number of verbs in this sentence.

Ex Output:

1