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

[EX Q]: Sentence: 'martha stewart holding a fluffy siamese cat on her arms'. How many words contain the letter 'a' in the sentence.
[EX A]: 6

[EX Q]: Sentence: 'a man sanding next to a cow in a pen'. How many words contain the letter 'h' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'some sliced apples are in a white bowl'. How many words contain the letter 'd' in the sentence.
[EX A]:
1