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

[Q]: Sentence: 'pair of one kind of birds and another bird perched on a railing'. How many words contain the letter 'j' in the sentence.
[A]: 0


[Q]: Sentence: 'a small child next to a bunch of bananas and an orange'. How many words contain the letter 'p' in the sentence.
[A]: 0


[Q]: Sentence: 'a clocktower next to a canadian flag on a flagpole'. How many words contain the letter 'n' in the sentence.
[A]:
3