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 bunch of white hyacinths arranged in a vase'. How many words contain the letter 'r' in the sentence.

Answer: 1


Question: Sentence: 'ther e is a commuter train that is coming on the tracks'. How many words contain the letter 'r' in the sentence.

Answer: 4


Question: Sentence: 'a large body of water next to a mountain range'. How many words contain the letter 'f' in the sentence.

Answer:
1