instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
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 on a motorcycle towing another man on a skateboard'. How many words contain the letter 'n' in the sentence.
answer:
6


question:
Sentence: 'person riding a bicycle while walking two dogs'. How many words contain the letter 'a' in the sentence.
answer:

2