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 womans face next to an oven cooking food'. How many words start with the letter 'f' in the sentence.

Answer: 2


Question: Sentence: 'a man touching a bird on top of a cage'. How many words start with the letter 'a' in the sentence.

Answer: 3


Question: Sentence: 'bicycles locked to a stop sign outside of a store'. How many words start with the letter 's' in the sentence.

Answer:
3