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

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

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