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

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

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