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

Input: Consider Input: Sentence: 'A white toilet with its cover removed is pictured'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'A man riding a skateboard on a walkway surrounded by people'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'Picture of a street sign by some buildings'. Count the number of verbs in this sentence.


Output: 0