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

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

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