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

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

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