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

*QUERY*
IN: zup lug OUT: BLUE BLUE
IN: fep lug lug OUT: RED RED RED RED
IN: fep tufa OUT: RED RED
IN: wif fep OUT: GREEN RED
IN: fep OUT: RED
IN: wif tufa OUT: GREEN GREEN
IN: fep kiki OUT: RED RED
IN: wif OUT: GREEN
IN: wif lug tufa OUT: GREEN GREEN GREEN GREEN
IN: zup kiki lug kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE

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