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

[EX Q]: Sentence: 'a white longheaired dog eating a birthday cake'. How many words contain the letter 'z' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'fresh daisies in a rectangular green glass vase'. How many words contain the letter 's' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'multiple shots of a man doing a trick with his skiis'. How many words contain the letter 'q' in the sentence.
[EX A]:
0