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

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

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