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 large body of water with a boat on it'. How many words start with the letter 'o' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'white parrot sitting on a ledge eating a seed pod'. How many words start with the letter 'e' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a woman with a bunch of bananas on her head'. How many words start with the letter 'a' in the sentence.


Output: 2