*SUPPORT*
IN: tufa blicket dax OUT: YELLOW GREEN
IN: lug OUT: PINK
IN: dax blicket tufa OUT: GREEN YELLOW
IN: dax blicket lug OUT: PINK YELLOW
IN: tufa fep blicket lug zup lug OUT: PINK GREEN PINK PURPLE
IN: fep gazzer dax zup fep dax gazzer dax OUT: PURPLE YELLOW YELLOW PURPLE YELLOW
IN: tufa OUT: GREEN
IN: fep OUT: PURPLE
IN: dax OUT: YELLOW
IN: fep blicket dax OUT: YELLOW PURPLE
IN: fep zup fep OUT: PURPLE PURPLE
IN: lug gazzer fep OUT: PINK PURPLE
IN: tufa dax blicket dax OUT: GREEN YELLOW YELLOW
IN: tufa tufa OUT: GREEN GREEN

*QUERY*
IN: lug lug OUT: PINK PINK
IN: tufa blicket tufa OUT: GREEN GREEN
IN: lug blicket fep zup lug blicket dax OUT: YELLOW PINK PURPLE PINK
IN: tufa zup tufa blicket tufa OUT: GREEN GREEN GREEN
IN: lug gazzer tufa OUT: PINK GREEN
IN: dax gazzer fep OUT: YELLOW PURPLE
IN: tufa zup lug gazzer fep OUT: PINK PURPLE GREEN
IN: fep gazzer fep OUT: PURPLE PURPLE
IN: fep tufa gazzer dax OUT: PURPLE GREEN YELLOW
IN: tufa fep gazzer fep OUT: GREEN PURPLE PURPLE

*GRAMMAR*
lug -> PINK 
 dax -> YELLOW 
 tufa -> GREEN 
 fep -> PURPLE 
 u1 blicket u2 -> [u2] [u1] 
 x1 zup x2 -> [x2] [x1] 
 u1 gazzer u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 