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

Example Input: Sentence: 'Cupcakes part iced part not with a walnut on top'. Count the number of verbs in this sentence.
Example Output: 0

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 couple of kids are on their laptops'. Count the number of nouns in this sentence.
Example Output:
3