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

Input: Consider Input: Sentence: 'Two people shaving letters on the side of a goat'. Count the number of nouns in this sentence.

Output: 4


Input: Consider Input: Sentence: 'An airplane in the air on an open field'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'Several pizzas sit upon a baking sheet on a counter'. Count the number of nouns in this sentence.


Output: 4