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

Example Input: Sentence: 'A white toilet with its cover removed is pictured'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'a close up of a person holding a sandwich'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A large elephant in a tall grass field'. Count the number of verbs in this sentence.
Example Output:
0