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 vase filled with white flowers sitting on top of a wooden table'. How many words start with the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a group of parked bikes sitting on the side of a road'. How many words start with the letter 'o' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a wooden table sitting in the middle of a living room'. How many words start with the letter 'a' in the sentence.


Output: 2