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

Input: Consider Input: Sentence: 'A man riding on the back of an elephant near a lake'. Count the number of nouns in this sentence.

Output: 4


Input: Consider Input: Sentence: 'A group of people having dinner and drinking wine'. Count the number of nouns in this sentence.

Output: 4


Input: Consider Input: Sentence: 'there is a red bird sitting outside of a window'. Count the number of verbs in this sentence.


Output: 1