instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a horse and a donkey stand in a fenced field'. How many words contain the letter 'd' in the sentence.
answer:
5


question:
Sentence: 'a man standing in the ocean holding a surfboard'. How many words contain the letter 'c' in the sentence.
answer:
1


question:
Sentence: 'a group of young people leaning up against a wall'. How many words contain the letter 'y' in the sentence.
answer:

1