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: 'i am unable to see the image above'. How many words start with the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a striped bus travels down a city street at night'. How many words start with the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a crowd of people walking down a street holding white umbrellas'. How many words start with the letter 'u' in the sentence.


Output: 1