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

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

*GRAMMAR*
dax -> GREEN 
 blicket -> YELLOW 
 fep -> RED 
 lug -> PINK 
 x1 wif x2 -> [x1] [x1] [x2] 
 u1 zup u2 -> [u2] [u2] [u1] 
 u1 kiki -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 