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 man playing  a game of tennis hitting a ball'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'A motorcycle with a blanket on the saddle'. Count the number of nouns in this sentence.
Example Output:
3