*SUPPORT*
IN: dax kiki OUT: GREEN RED
IN: zup zup blicket OUT: PINK PINK PINK
IN: zup gazzer dax lug OUT: GREEN PINK GREEN PINK
IN: tufa lug OUT: YELLOW YELLOW
IN: dax OUT: GREEN
IN: tufa OUT: YELLOW
IN: kiki blicket OUT: RED RED
IN: dax gazzer dax OUT: GREEN GREEN
IN: zup blicket lug OUT: PINK PINK PINK PINK
IN: tufa gazzer tufa OUT: YELLOW YELLOW
IN: dax dax OUT: GREEN GREEN
IN: tufa dax gazzer tufa OUT: YELLOW YELLOW GREEN
IN: dax blicket lug OUT: GREEN GREEN GREEN GREEN
IN: kiki OUT: RED

*QUERY*
IN: zup gazzer dax OUT: GREEN PINK
IN: zup blicket OUT: PINK PINK
IN: dax blicket OUT: GREEN GREEN
IN: kiki gazzer tufa OUT: YELLOW RED
IN: tufa zup blicket lug OUT: YELLOW PINK PINK YELLOW PINK PINK
IN: zup gazzer zup OUT: PINK PINK
IN: kiki zup gazzer dax lug OUT: RED GREEN PINK RED GREEN PINK
IN: dax tufa gazzer kiki OUT: GREEN RED YELLOW
IN: dax gazzer kiki OUT: RED GREEN
IN: zup dax gazzer zup OUT: PINK PINK GREEN

*GRAMMAR*
tufa -> YELLOW 
 dax -> GREEN 
 kiki -> RED 
 zup -> PINK 
 u1 gazzer u2 -> [u2] [u1] 
 u1 blicket -> [u1] [u1] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 