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

[EX Q]: Sentence: 'two elephants in the water in front of a waterfall'. How many words contain the letter 'x' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'an asian man ad woman on their cell phones'. How many words contain the letter 'i' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a man reclines on a chair with dead flowers in the foreground'. How many words contain the letter 'r' in the sentence.
[EX A]:
4