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

Example Input: Sentence: 'A boat with emergency lights on it sitting in a harbor'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A boy in a wheel chair on a tennis court'. Count the number of nouns in this sentence.
Example Output: 5

Example Input: Sentence: 'Someone walking down the street and street lights and a one way street sign'. Count the number of verbs in this sentence.
Example Output:
1