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

Input: Consider Input: Sentence: 'a woman working her small shared office cubicle'. How many words contain the letter 'g' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a man herding brown colored animals with a dog'. How many words contain the letter 'z' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'two brown and white cows standing in a grassy field'. How many words contain the letter 'w' in the sentence.


Output: 4