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

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

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