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

Sentence: 'a long train is coming down some tracks'. How many words contain the letter 'w' in the sentence.
1

Sentence: 'a little boy learning to throw a frisbee'. How many words contain the letter 'h' in the sentence.
1

Sentence: 'a table that has some food on it'. How many words contain the letter 'b' in the sentence.

1