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: 'Group of people standing on the deck to watch a group of giraffes'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'A woman stands in front of the mirror to take a picture'. Count the number of nouns in this sentence.


Output: 4