instruction:
In this task, you need to count the number of nouns/verbs in the given sentence.
question:
Sentence: 'a long tower on top of a white building'. Count the number of verbs in this sentence.
answer:
0


question:
Sentence: 'A person on a skateboard reads while riding'. Count the number of verbs in this sentence.
answer:
2


question:
Sentence: 'Three planes that are flying while leaving smoke behind them'. Count the number of verbs in this sentence.
answer:

2