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

Input: Consider Input: Sentence: 'A person doing tricks on a skateboard about to fall'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'Luggage coming down a carousel at an airport'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'Several cows in a field. Some are laying down, some standing up'. Count the number of verbs in this sentence.


Output: 2