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

Input: Consider Input: Sentence: 'a man with a hat on sitting in a car with the door open and a laptop on his lap'. How many words contain the letter 'e' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a woman on a bike with an umbrella'. How many words contain the letter 'e' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'some green flowers are surrounded by leafy petals'. How many words contain the letter 'm' in the sentence.


Output: 1