In this task, you need to count the number of words in a sentence that contain the given letter

Q: Sentence: 'a group of people holding kites walking on a beach'. How many words contain the letter 'x' in the sentence.

A: 0
****
Q: Sentence: 'a bunch of white hyacinths arranged in a vase'. How many words contain the letter 'r' in the sentence.

A: 1
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Q: Sentence: 'a truck is being loaded onto an old air craft carrier'. How many words contain the letter 'n' in the sentence.

A:
3
****