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

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

*GRAMMAR*
lug -> PURPLE 
 fep -> GREEN 
 wif -> RED 
 dax -> BLUE 
 x1 kiki -> [x1] [x1] [x1] 
 x1 zup u1 -> [x1] [u1] 
 u1 gazzer u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 