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

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

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