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

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

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