instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a basket that is full of fruits and vegetables'. How many words contain the letter 'v' in the sentence.
answer:
1


question:
Sentence: 'people standing in a river surrounding an elephant some are touching it'. How many words contain the letter 'd' in the sentence.
answer:
2


question:
Sentence: 'a white and blue jet airliner in blue sky'. How many words contain the letter 's' in the sentence.
answer:

1