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

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

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