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: 'an asian man ad woman on their cell phones'. How many words contain the letter 'i' in the sentence.

Answer: 2


Question: Sentence: 'a table with two different pizzas on it'. How many words contain the letter 'j' in the sentence.

Answer: 0


Question: Sentence: 'a water craft airplane with several people standing next to it'. How many words contain the letter 'a' in the sentence.

Answer:
6