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: 'a street sign against a smoggy palm tree filled sky'. How many words start with the letter 's' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a bathroom has an overhead shower wand above the tub'. How many words start with the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a countertop holding a chicken and a bundt cake'. How many words start with the letter 'a' in the sentence.


Output: 4