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

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

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