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

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

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