They are puzzled that almost all of the voices are female, usually with a strong Australian accent. They overhear conversations about personal matters (including the birth of a cow) as well as unknown slang terms. Various theories are discussed by the perplexed astronauts: hallucinations? A hoax? A hostile power trying to trick them? They record and playback the conversations over and over, trying to figure out what is going on. Soon, they realize that these unknown people are aware of them and are offering to help.