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

[EX Q]: Sentence: 'a very cute white dog standing by a table with food'. How many words contain the letter 'o' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a living roomcomplete with couches chairs mantle and huge clock on the wall'. How many words contain the letter 't' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a couple of guys are playing video games'. How many words contain the letter 'y' in the sentence.
[EX A]:
2