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

[EX Q]: Sentence: 'a black and white photo of a plane sitting on a runway'. How many words contain the letter 'b' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a couple of horses standing next to each other on a field'. How many words contain the letter 'q' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a corned beef sandwich sitting on a plate in a restaurant'. How many words contain the letter 'j' in the sentence.
[EX A]:
0