From any 2-person setup in which the two people are either adjacent laterally
(couple or miniwave) or adjacent vertically (tandem, facing, or back-to-back):
laterally adjacent people Single Wheel, while vertically adjacent people
Single Turn to a Line.
\syhlines{b2e,g2w,g3n,b3s}
\sxvlines{g3s,b3n,g4w,b4e}
before Siamese Breakdown
after
\sxwtees{b3s,b4s,g1n,g2n}
\sxetees{g1s,g2s,b4n,b3n}
before Siamese Breakdown
after
It is illegal to call this if the identification of pairs is ambiguous.