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

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

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