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

[EX Q]: Sentence: 'a man flying through the air while riding a snowboard'. How many words contain the letter 'x' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a horse and a donkey stand in a fenced field'. How many words contain the letter 'd' in the sentence.
[EX A]: 5

[EX Q]: Sentence: 'a man is sitting on the coach near the living table'. How many words contain the letter 'j' in the sentence.
[EX A]:
0