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

Q: Sentence: 'a line of portable toilets stands outdoors under trees'. How many words contain the letter 'l' in the sentence.

A: 3
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Q: Sentence: 'a smiling  woman wearing a hat holds up a snowboard'. How many words contain the letter 'b' in the sentence.

A: 1
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Q: Sentence: 'a bathroom with a wood door and a toilet tissue holder'. How many words contain the letter 'i' in the sentence.

A:
3
****