instruction:
In this task, you need to count the number of nouns/verbs in the given sentence.
question:
Sentence: 'A man playing a game of tennis hitting a ball'. Count the number of verbs in this sentence.
answer:
2

question:
Sentence: 'A group of people walking towards an airplane'. Count the number of nouns in this sentence.
answer:
3

question:
Sentence: 'there is a opening on the street of the building n the city'. Count the number of nouns in this sentence.
answer:
4