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

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

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