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

Input: Consider Input: Sentence: 'the beach has six open umbrellas on poles'. How many words contain the letter 'g' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a man holding a tennis racquet on a tennis court'. How many words contain the letter 'w' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a male female and three baby goats standing in grass'. How many words contain the letter 'b' in the sentence.


Output: 1