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

[Q]: Sentence: 'a glass vase with clear glass marbles in it and purple flowers coming out of the vase'. How many words contain the letter 'd' in the sentence.
[A]: 1


[Q]: Sentence: 'two giraffes with their heads in the tree'. How many words contain the letter 'o' in the sentence.
[A]: 1


[Q]: Sentence: 'a man is riding a bicycle behind a car'. How many words contain the letter 'c' in the sentence.
[A]:
2