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

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

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