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

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

*GRAMMAR*
zup -> RED 
 lug -> GREEN 
 dax -> YELLOW 
 tufa -> BLUE 
 x1 wif -> [x1] [x1] 
 x1 blicket -> [x1] [x1] 
 u1 fep u2 -> [u2] [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 