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: 'the zebra is showing his rear end to the camera'. How many words contain the letter 'r' in the sentence.

Answer: 3


Question: Sentence: 'man in blue shirt hitting a tennis ball back'. How many words contain the letter 'q' in the sentence.

Answer: 0


Question: Sentence: 'two people riding on horses on the beach'. How many words contain the letter 'o' in the sentence.

Answer:
5