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

[EX Q]: Sentence: 'two men are dancing in a parade with brown umbrellas'. How many words contain the letter 'r' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a group of people cooking pancakes in the field'. How many words contain the letter 'g' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'metallic gold toned refrigerator and pantry cabinet in kitchen under renovation'. How many words contain the letter 'c' in the sentence.
[EX A]:
3