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

Input: Consider Input: Sentence: 'Three children are sitting with food in the park'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'toilet in small space with blue and white tile'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'A small airplane taking off from an airport runway'. Count the number of verbs in this sentence.


Output: 1