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 skier posing for a photo in front of a slope'. How many words contain the letter 'a' in the sentence.

Answer: 3


Question: Sentence: 'a man with a hat on sitting in a car with the door open and a laptop on his lap'. How many words contain the letter 'e' in the sentence.

Answer: 2


Question: Sentence: 'a train sitting at the station before departing'. How many words contain the letter 'y' in the sentence.

Answer:
0