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

*QUERY*
IN: fep blicket fep OUT: YELLOW YELLOW
IN: fep OUT: YELLOW
IN: zup gazzer blicket zup OUT: GREEN GREEN RED
IN: gazzer lug OUT: RED RED
IN: kiki tufa OUT: PURPLE PURPLE
IN: kiki fep lug OUT: PURPLE YELLOW YELLOW
IN: zup lug OUT: GREEN GREEN
IN: gazzer zup tufa OUT: RED GREEN GREEN
IN: gazzer blicket fep OUT: YELLOW RED
IN: gazzer blicket gazzer OUT: RED RED

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