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: 'some very pretty giraffes standing by a big fence'. How many words start with the letter 'f' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a msall bus going down a road with a street sign'. How many words start with the letter 'd' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a young child in a blue jacket eating something'. How many words start with the letter 'c' in the sentence.


Output: 1