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.

[EX Q]: Sentence: 'a woman standing next to a surfboard at the ocean'. How many words start with the letter 't' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'three hot dogs are stuffed in buns are ready to serve'. How many words start with the letter 'd' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'there is a girafee that is running in the open field'. How many words start with the letter 'i' in the sentence.
[EX A]:
3