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

Example Input: Sentence: 'A traffic sign sitting on the side of a road'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A clock on a red building letting people know the time'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'A stack of hats sits next to a stuffed bear wearing pink and white striped mittens and a hat'. Count the number of verbs in this sentence.
Example Output:
3