instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'horses standing and laying down in the grass on a hill above a lake'. How many words contain the letter 'g' in the sentence.
answer:
3


question:
Sentence: 'the street corner is flooded deep with water'. How many words contain the letter 'f' in the sentence.
answer:
1


question:
Sentence: 'some flowers are in a vase on a table'. How many words contain the letter 's' in the sentence.
answer:

3