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

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

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