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

Input: Consider Input: Sentence: 'A mp3 player sitting on top of a speaker system'. Count the number of nouns in this sentence.

Output: 5

Input: Consider Input: Sentence: 'Two identical images of a female player with tennis racket and ball'. Count the number of nouns in this sentence.

Output: 5

Input: Consider Input: Sentence: 'Three lights surrounding a brass clock with two faces showing time of 3:48'. Count the number of verbs in this sentence.
Output: 2