Alliance Selection question.

If Team 1 picks team 3, then team 2 picks 1. Does Team 2 get Team 1 and 3 if they accept?

or is there a rule against picking someone who already picked another team?

http://frc-manual.usfirst.org/viewItem/3#5.4

Can’t pick someone who has already been picked (regardless of whether or not they accept) or formed their own alliance.