instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a giraffe that is eating some leaves from a tree'. How many words contain the letter 'g' in the sentence.
answer:
2


question:
Sentence: 'living room that has boxes packed for moving'. How many words contain the letter 'u' in the sentence.
answer:
0


question:
Sentence: 'a green train is stopping at the station'. How many words contain the letter 'x' in the sentence.
answer:

0