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

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

*GRAMMAR*
tufa -> GREEN 
 wif -> RED 
 lug -> YELLOW 
 zup -> BLUE 
 x1 blicket x2 -> [x2] [x2] [x1] 
 u1 dax -> [u1] [u1] 
 u1 fep u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 