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

Input: Consider Input: Sentence: 'A bid walking on a stream of water next to green plants'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'A photographer taking picture with a police nearby'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'A tennis player waits for the ball to return to her side'. Count the number of nouns in this sentence.


Output: 4