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

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

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