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

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

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