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

[EX Q]: Sentence: 'five sheep out in an open field eating straw'. How many words contain the letter 'd' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'an elephant near a man sitting down'. How many words contain the letter 'y' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a white toilet and a amp in a room'. How many words contain the letter 'k' in the sentence.
[EX A]:
0