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

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

*GRAMMAR*
tufa -> BLUE 
 gazzer -> RED 
 fep -> PURPLE 
 kiki -> GREEN 
 u1 lug x1 -> [u1] [x1] 
 x1 zup x2 -> [x2] [x1] 
 u1 blicket x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 