What is the definition of debate?

a. debate is the type of font used in a newspaper.

b. debate is the set of principles by which we judge if something is right or wrong.

c. debate is promoting an idea, service, or product to the general public for consumption.

d. debate is a discussion between two opposing sides about a specific proposition or issue.

Ineed because i cannot find the answers anywhere

In 2016, two-year-old lane graves was wading in the lagoon of an orlando walt disney world resort and watching a family outdoor movie, when an alligator snatched the boy and disappeared. the resort had signs which read "no swimming, deep drop off" posted along the beach area where lane was taken, and his parents were a few feet away when the incident occurred. several hours later, lane's body was discovered about 15 yards from where he was taken by the gator. a disney employee said this was not the first time an alligator had been spotted in the lagoon beach area. if the graves family files a lawsuit against the resort, what theory would best support their claim?

Who is the speaker in this excerpt from book 13 of homer’s odyssey, and what inference can you make from the tone?