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

Example Input: Sentence: 'A tall  giraffe standing alone in a forest'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A cat with a serious look on its face sitting on a bed'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A sunset scene of a sea shore where umbrella shades are fixed on the ground'. Count the number of verbs in this sentence.
Example Output:
1