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

[Q]: Sentence: 'a group of people holding kites walking on a beach'. How many words contain the letter 'x' in the sentence.
[A]: 0


[Q]: Sentence: 'there is a small bowl of soup and vegetables'. How many words contain the letter 'g' in the sentence.
[A]: 1


[Q]: Sentence: 'a child concentrating hard on cutting paper with a pair of scissors'. How many words contain the letter 'u' in the sentence.
[A]:
1