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

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

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