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

Example Input: Sentence: 'A building hiding beyond a stop sign and street sign'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'The street is barred for a train to pass'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'A dog hanging out of a car in front of a rear view mirror'. Count the number of verbs in this sentence.
Example Output:
1