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

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

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