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.
--------
Question: Sentence: 'a man in red and black jacket snowboarding on slope'. How many words start with the letter 'o' in the sentence.

Answer: 1


Question: Sentence: 'a street sign view in a very blurry picture'. How many words start with the letter 's' in the sentence.

Answer: 2


Question: Sentence: 'a group of giraffes eating out of a hay feeder'. How many words start with the letter 'o' in the sentence.

Answer:
3