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

Example Input: Sentence: 'A man in tights holding a pair of skis'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'Three slices of thin pizza next to two bottles of wine'. Count the number of verbs in this sentence.
Example Output: 0

Example Input: Sentence: 'A young man in an ad for Polo, wearing a Polo shirt, vest and yellow tie'. Count the number of nouns in this sentence.
Example Output:
5