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

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

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