*SUPPORT*
IN: fep dax OUT: RED RED
IN: fep zup tufa OUT: RED GREEN
IN: lug zup fep OUT: YELLOW RED
IN: kiki tufa zup kiki OUT: PURPLE GREEN PURPLE
IN: kiki zup lug OUT: PURPLE YELLOW
IN: kiki gazzer OUT: PURPLE PURPLE
IN: fep OUT: RED
IN: lug dax OUT: YELLOW YELLOW
IN: tufa OUT: GREEN
IN: lug OUT: YELLOW
IN: kiki zup tufa OUT: PURPLE GREEN
IN: kiki zup tufa gazzer OUT: PURPLE GREEN PURPLE GREEN
IN: lug dax gazzer OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep kiki tufa OUT: RED PURPLE GREEN

*QUERY*
IN: kiki dax OUT: PURPLE PURPLE
IN: kiki dax gazzer gazzer OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: tufa dax OUT: GREEN GREEN
IN: lug kiki kiki zup kiki OUT: YELLOW PURPLE PURPLE PURPLE
IN: tufa zup kiki OUT: GREEN PURPLE
IN: kiki zup fep OUT: PURPLE RED
IN: fep zup fep OUT: RED RED
IN: tufa zup tufa OUT: GREEN GREEN
IN: lug tufa zup fep OUT: YELLOW GREEN RED
IN: lug zup lug gazzer OUT: YELLOW YELLOW YELLOW YELLOW

*GRAMMAR*
tufa -> GREEN 
 lug -> YELLOW 
 kiki -> PURPLE 
 fep -> RED 
 u1 zup u2 -> [u1] [u2] 
 u1 dax -> [u1] [u1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 