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

[Q]: Sentence: 'the tall giraffes are communicating with each other by the tree'. How many words contain the letter 'j' in the sentence.
[A]: 0


[Q]: Sentence: 'a college student throws a frisbee in a field'. How many words contain the letter 't' in the sentence.
[A]: 2


[Q]: Sentence: 'a man touching an iron board in a room filled with other items'. How many words contain the letter 'n' in the sentence.
[A]:
5