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

Example Input: Sentence: 'a man stands on he beach with a surf board'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'This is a black and white photo of a train sitting on the tracks'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'The hotel room is decorated with soft gold and deep rose tones'. Count the number of verbs in this sentence.
Example Output:
1