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

Input: Consider Input: Sentence: 'There is a man walking towards the waves'. Count the number of nouns in this sentence.

Output: 2


Input: Consider Input: Sentence: 'A lady at an intersection on her bicycle, waiting for the traffic light to change'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'A blue and yellow fire hydrant in front of a concert venue'. Count the number of verbs in this sentence.


Output: 0