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

[Q]: Sentence: 'two men and two men having drinks at a bar'. How many words contain the letter 'g' in the sentence.
[A]: 1


[Q]: Sentence: 'chopsticks and oriental food in white dishes sit on a wooden table'. How many words contain the letter 'z' in the sentence.
[A]: 0


[Q]: Sentence: 'a kite flying in the sky next to a house'. How many words contain the letter 'x' in the sentence.
[A]:
1