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 person with blue sneakers and jeans with one foot on a skateboard and the other foot on the ground'. How many words start with the letter 'o' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a baseball player holding a glove in one hand and ball in the other'. How many words start with the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a black and white cat curled in a striped pet bed on top of a computer desk'. How many words start with the letter 'c' in the sentence.


Output: 3