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

Example Input: Sentence: 'Several zebras and other animals grazing in a field'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A person jumps above a body of water'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A man is sitting down and talking on a microphone'. Count the number of verbs in this sentence.
Example Output:
2