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

[EX Q]: Sentence: 'a woman standing next to two baby elephants'. How many words contain the letter 'y' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a piece of half eaten swirl cheesecake on a plate'. How many words contain the letter 'j' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a sixpack of 7up bottles and a big cupboard'. How many words contain the letter 'd' in the sentence.
[EX A]:
2