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: 'an indoor bathroom with reflective marble counter tops'. How many words start with the letter 'i' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a train station with a train sitting there waiting to be loaded'. How many words start with the letter 't' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a few trays full of brightly iced doughnuts'. How many words start with the letter 'f' in the sentence.


Output: 2