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

[Q]: Sentence: 'the beach has six open umbrellas on poles'. How many words contain the letter 'g' in the sentence.
[A]: 0


[Q]: Sentence: 'an old motorcycle with the seat missing parked in a garage with other parts and motorcycles'. How many words contain the letter 'r' in the sentence.
[A]: 6


[Q]: Sentence: 'a horse walking in front of people in a vehicle'. How many words contain the letter 'a' in the sentence.
[A]:
3