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 male skateboarder in a black shirt doing a trick'. How many words start with the letter 'a' in the sentence.

Output: 3


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 bowl of food that is sitting on a table'. How many words start with the letter 't' in the sentence.


Output: 2