In this task, you need to count the number of words in a sentence that contain the given letter
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Question: Sentence: 'a bearded man sits on a couch with an electronic device in his hand'. How many words contain the letter 'e' in the sentence.

Answer: 3


Question: Sentence: 'a man in mid swing of a baseball bat'. How many words contain the letter 'k' in the sentence.

Answer: 0


Question: Sentence: 'some women sitting in a red living room chairs and a clock'. How many words contain the letter 'j' in the sentence.

Answer:
0