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

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

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