In this task, you need to count the number of words in a sentence that contain the given letter

[EX Q]: Sentence: 'a man in a suit with his finger in his ear'. How many words contain the letter 'm' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'two elephants are standing by the concrete barrier'. How many words contain the letter 'c' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man and a woman are looking at a laptop'. How many words contain the letter 'x' in the sentence.
[EX A]:
0