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

Input: Consider Input: Sentence: 'Zebra standing in field of tall grasses and trees grazing'. Count the number of nouns in this sentence.

Output: 4


Input: Consider Input: Sentence: 'In flight skateboarder jumping the curb from the sidewalk'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'A group of old men sit on public benches'. Count the number of verbs in this sentence.


Output: 1