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

*QUERY*
IN: lug zup OUT: BLUE YELLOW
IN: zup lug gazzer tufa OUT: YELLOW BLUE GREEN YELLOW BLUE GREEN
IN: gazzer OUT: GREEN
IN: gazzer lug OUT: GREEN BLUE
IN: fep fep OUT: RED RED
IN: zup tufa OUT: YELLOW YELLOW
IN: gazzer zup tufa OUT: GREEN YELLOW GREEN YELLOW
IN: zup gazzer OUT: YELLOW GREEN
IN: fep fep tufa tufa OUT: RED RED RED RED RED RED RED RED
IN: fep tufa OUT: RED RED

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