instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a bunch of cloths are piled in the sink'. How many words contain the letter 'w' in the sentence.
answer:
0


question:
Sentence: 'a woman on a bike with an umbrella'. How many words contain the letter 'e' in the sentence.
answer:
2


question:
Sentence: 'a man in a jacket walks down the street on his phone'. How many words contain the letter 'n' in the sentence.
answer:

5