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: 'many people are playing a sports video game while standing up'. How many words contain the letter 'l' in the sentence.

Answer: 3


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

Answer: 0


Question: Sentence: 'a living room with the lights turned of and the television playing'. How many words contain the letter 'i' in the sentence.

Answer:
5