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

[EX Q]: Sentence: 'a beautiful old clock tower in a citys historic district'. How many words contain the letter 'a' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a teddy bear laying on a pillow on a bed'. How many words contain the letter 'w' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'several large covered pans are seen in a hot old fashioned oven'. How many words contain the letter 'i' in the sentence.
[EX A]:
2