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

*QUERY*
IN: dax tufa OUT: RED RED
IN: zup zup OUT: YELLOW YELLOW
IN: zup tufa tufa wif zup OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: lug fep lug tufa OUT: PURPLE GREEN PURPLE PURPLE GREEN PURPLE
IN: fep OUT: GREEN
IN: lug lug tufa OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax OUT: RED
IN: zup lug OUT: YELLOW PURPLE
IN: dax fep OUT: RED GREEN
IN: dax zup OUT: RED YELLOW

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