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

[Q]: Sentence: 'a man with baskets of goods stands next to his bicycle'. How many words contain the letter 'r' in the sentence.
[A]: 0


[Q]: Sentence: 'a laptop a table a mouse some dirt and water'. How many words contain the letter 'u' in the sentence.
[A]: 1


[Q]: Sentence: 'black and white photo of officer offering an item to bear sitting down'. How many words contain the letter 'k' in the sentence.
[A]:
1