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

[EX Q]: Sentence: 'a group of many horses going about in a grassy meadow'. How many words contain the letter 'f' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a computer desk holding a laptop computer and white ceramic lamp'. How many words contain the letter 'r' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a man standing in the living room while playing with a wii mote'. How many words contain the letter 'x' in the sentence.
[EX A]:
0