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

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

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