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

Example Input: Sentence: 'Two men are standing near a propped up surfboard'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'A grandfather clock next to wall with windows and paintings'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A man rides a bicycle on a street in a city'. Count the number of nouns in this sentence.
Example Output:
4