instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a group of people holding kites walking on a beach'. How many words contain the letter 'x' in the sentence.
answer:
0


question:
Sentence: 'a man and a woman stand under an umbrella'. How many words contain the letter 's' in the sentence.
answer:
1


question:
Sentence: 'a stone building with a clock at the front of it'. How many words contain the letter 'g' in the sentence.
answer:

1