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

Input: Consider Input: Sentence: 'a group of people on a beach beneath a cloudy sky'. How many words contain the letter 'g' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a white biplane on grassy area next to buildings'. How many words contain the letter 'g' in the sentence.

Output: 2


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


Output: 1