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

[Q]: Sentence: 'a white plate of food including rice and vegetables with beef'. How many words contain the letter 'o' in the sentence.
[A]: 2

[Q]: Sentence: 'two giraffe a mom and baby both with their heads up'. How many words contain the letter 'w' in the sentence.
[A]: 2

[Q]: Sentence: 'a baseball player swings at the ball and a catcher prepares to catch it'. How many words contain the letter 'u' in the sentence.
[A]:
0