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 keyboard on a table with a toothbrush a book some sunglasses and coffee'. How many words contain the letter 'e' in the sentence.

Answer: 5


Question: Sentence: 'a large field is next to a river'. How many words contain the letter 'j' in the sentence.

Answer: 0


Question: Sentence: 'two pictures of the same cat on the floor with a toy'. How many words contain the letter 's' in the sentence.

Answer:
2