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: 'A tall  giraffe standing alone in a forest'. Count the number of nouns in this sentence.

Output: 2


Input: Consider Input: Sentence: 'Several people on skateboards riding between cones on the pavement'. Count the number of verbs in this sentence.


Output: 1