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 man is sitting in a cubicle with a computer'. How many words contain the letter 'a' in the sentence.

Answer: 4


Question: Sentence: 'some brown and white goats and a man on some grass'. How many words contain the letter 'o' in the sentence.

Answer: 5


Question: Sentence: 'a man with a ski board running with a para sail rope in his hand'. How many words contain the letter 'l' in the sentence.

Answer:
1