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

[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: 'an image of a man with a tennis racket in hand'. How many words contain the letter 'u' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'the two traffic lights above the street are green'. How many words contain the letter 'p' in the sentence.
[EX A]:
0