*SUPPORT*
IN: dax zup dax OUT: RED RED RED
IN: lug zup lug OUT: BLUE BLUE BLUE
IN: kiki blicket kiki zup kiki OUT: GREEN GREEN GREEN GREEN
IN: kiki zup kiki tufa gazzer tufa dax OUT: GREEN GREEN GREEN PURPLE RED
IN: kiki OUT: GREEN
IN: lug lug zup gazzer OUT: BLUE PURPLE PURPLE BLUE
IN: gazzer OUT: PURPLE
IN: dax dax lug zup kiki tufa kiki OUT: RED RED GREEN GREEN BLUE GREEN
IN: dax gazzer zup lug OUT: RED BLUE BLUE PURPLE
IN: dax zup dax tufa lug OUT: RED RED RED BLUE
IN: lug gazzer zup lug OUT: BLUE BLUE BLUE PURPLE
IN: kiki zup lug tufa dax tufa dax OUT: BLUE BLUE GREEN RED RED
IN: gazzer zup dax tufa lug tufa gazzer OUT: RED RED PURPLE BLUE PURPLE
IN: dax OUT: RED

*QUERY*
IN: lug kiki kiki OUT: BLUE GREEN GREEN
IN: gazzer zup gazzer OUT: PURPLE PURPLE PURPLE
IN: dax zup lug OUT: BLUE BLUE RED
IN: kiki zup gazzer blicket kiki zup lug OUT: PURPLE PURPLE GREEN BLUE BLUE GREEN
IN: lug OUT: BLUE
IN: kiki zup lug OUT: BLUE BLUE GREEN
IN: gazzer zup kiki tufa kiki OUT: GREEN GREEN PURPLE GREEN
IN: gazzer lug blicket lug tufa kiki OUT: PURPLE BLUE BLUE GREEN
IN: kiki zup dax OUT: RED RED GREEN
IN: kiki zup lug tufa gazzer OUT: BLUE BLUE GREEN PURPLE

*GRAMMAR*
kiki -> GREEN 
 gazzer -> PURPLE 
 lug -> BLUE 
 dax -> RED 
 u1 zup u2 -> [u2] [u2] [u1] 
 x1 blicket x2 -> [x1] [x2] 
 x1 tufa u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 