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

[Q]: Sentence: 'a man in a white turban drives a motorcycle along a dirty road'. How many words contain the letter 'd' in the sentence.
[A]: 3


[Q]: Sentence: 'fresh daisies in a rectangular green glass vase'. How many words contain the letter 's' in the sentence.
[A]: 4


[Q]: Sentence: 'a skier carving down a snowy mountain side'. How many words contain the letter 'o' in the sentence.
[A]:
3