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

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

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