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

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

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