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: 'An orange suitcase sits alone on a city street'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'Images of a giraffe and a Zebra in the window'. Count the number of verbs in this sentence.
Example Output:
0