*SUPPORT*
IN: tufa blicket OUT: GREEN GREEN
IN: dax OUT: BLUE
IN: tufa dax OUT: GREEN BLUE
IN: zup fep lug zup OUT: RED RED YELLOW
IN: zup lug zup lug tufa wif OUT: GREEN RED RED GREEN RED RED
IN: tufa wif blicket OUT: GREEN GREEN GREEN GREEN
IN: fep fep blicket OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep OUT: YELLOW
IN: tufa tufa fep lug fep blicket OUT: YELLOW GREEN GREEN YELLOW YELLOW GREEN GREEN YELLOW
IN: dax lug dax blicket OUT: BLUE BLUE BLUE BLUE
IN: zup zup tufa lug zup blicket OUT: RED RED RED GREEN RED RED RED GREEN
IN: tufa blicket lug zup blicket lug dax OUT: BLUE RED GREEN GREEN RED GREEN GREEN
IN: fep dax OUT: YELLOW BLUE
IN: dax wif OUT: BLUE BLUE

*QUERY*
IN: dax dax blicket lug fep OUT: YELLOW BLUE BLUE BLUE BLUE
IN: fep blicket OUT: YELLOW YELLOW
IN: fep blicket lug fep lug tufa wif OUT: GREEN YELLOW YELLOW YELLOW GREEN YELLOW YELLOW YELLOW
IN: tufa OUT: GREEN
IN: tufa blicket blicket lug tufa OUT: GREEN GREEN GREEN GREEN GREEN
IN: dax lug tufa OUT: GREEN BLUE
IN: fep dax zup fep lug dax OUT: BLUE YELLOW BLUE RED YELLOW
IN: dax wif wif lug fep OUT: YELLOW BLUE BLUE BLUE BLUE
IN: fep tufa OUT: YELLOW GREEN
IN: zup OUT: RED

*GRAMMAR*
zup -> RED 
 fep -> YELLOW 
 tufa -> GREEN 
 dax -> BLUE 
 x1 lug u1 -> [u1] [x1] 
 x1 wif -> [x1] [x1] 
 x1 blicket -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 