TASK DEFINITION: In this task, you need to count the number of nouns/verbs in the given sentence.
PROBLEM: Sentence: 'Three zebra are grazing on grass in an open field'. Count the number of verbs in this sentence.

SOLUTION: 1

PROBLEM: Sentence: 'A parking meter in front of a car'. Count the number of nouns in this sentence.

SOLUTION: 4

PROBLEM: Sentence: 'Outdoor subway train pulling into an empty station'. Count the number of verbs in this sentence.

SOLUTION:
1