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 person surfing under a wave in the ocean'. Count the number of nouns in this sentence.
answer:
3


question:
Sentence: 'A white fire hydrant is in front of an old couch sitting on a sidewalk in front of a house'. Count the number of verbs in this sentence.
answer:

1