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

[EX Q]: Sentence: 'a tv showing a broadcast from the weather channel'. How many words contain the letter 'j' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a plate has many different types of food on it'. How many words contain the letter 'r' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'several people sitting around a table eating pizza'. How many words contain the letter 'u' in the sentence.
[EX A]:
1