Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Subcommander T'Pol:  The Earth cargo ship Fortunate . Y - class freighter . Maximum speed : warp one point eight . Crew complement : _ twenty _ - three .
Travis Mayweather: Not counting newborn babies .
Captain Archer: Ensign ?
Travis Mayweather: I grew up on a J - class , a little smaller but the same basic design . And one thing I can tell you is that at warp one point eight , you 've got a lot of time on your hands between ports . That 's how my parents wound up with me .
Subcommander T'Pol: Do you have any helpful information on this vessel beyond its recreational activities ?

complement