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

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

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