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

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

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