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

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

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