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

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

*GRAMMAR*
wif -> PURPLE 
 fep -> BLUE 
 dax -> GREEN 
 zup -> RED 
 x1 lug -> [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 