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 guy squatting down and tapping his food with a woman sitting down'. How many words start with the letter 'f' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a red passenger train traveling passed a large tourist building'. How many words start with the letter 't' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a view of kitchen missing everything except the microwave and top cabinets'. How many words start with the letter 'e' in the sentence.


Output: 2