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 a hoodie on looking at a laptop'. How many words start with the letter 'l' in the sentence.

Output: 2

Input: Consider Input: Sentence: 'an owner offers pizza crust to their dog'. How many words start with the letter 't' in the sentence.

Output: 2

Input: Consider Input: Sentence: 'a man in the desert is riding a horse'. How many words start with the letter 'i' in the sentence.
Output: 2