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

Input: Consider Input: Sentence: 'Many bicyclists wearing helmets race down the street'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'a white horse is gazing across the field'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'A teddy bear sitting on top of a metal bench'. Count the number of nouns in this sentence.


Output: 5