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

[Q]: Sentence: 'a parked blue and white motorcycle with a black seat'. How many words contain the letter 'd' in the sentence.
[A]: 2


[Q]: Sentence: 'two children practicing for a ski race without poles'. How many words contain the letter 'e' in the sentence.
[A]: 3


[Q]: Sentence: 'a man that is holding a racquet on a tennis court'. How many words contain the letter 'k' in the sentence.
[A]:
0