In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.

Input: Consider Input: Sentence: 'many colorful umbrellas hang over a colorful street'. How many words start with the letter 'm' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a photo of a waterway with several boats along the shore'. How many words start with the letter 'w' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a red fire hydrant next to another red meter in grassy area'. How many words start with the letter 'g' in the sentence.


Output: 1