*SUPPORT*
IN: dax gazzer OUT: RED RED RED RED
IN: lug lug kiki OUT: PINK PINK PINK
IN: zup blicket dax OUT: RED PURPLE
IN: dax dax blicket lug OUT: RED PINK RED
IN: dax OUT: RED
IN: lug OUT: PINK
IN: fep gazzer OUT: GREEN GREEN GREEN GREEN
IN: dax kiki OUT: RED RED
IN: fep fep OUT: GREEN GREEN
IN: fep kiki OUT: GREEN GREEN
IN: fep dax kiki OUT: GREEN RED RED
IN: fep blicket zup OUT: PURPLE GREEN
IN: lug kiki OUT: PINK PINK
IN: zup gazzer OUT: PURPLE PURPLE PURPLE PURPLE

*QUERY*
IN: zup OUT: PURPLE
IN: lug blicket zup OUT: PURPLE PINK
IN: zup blicket zup OUT: PURPLE PURPLE
IN: lug zup gazzer OUT: PINK PURPLE PURPLE PURPLE PURPLE
IN: zup blicket fep OUT: GREEN PURPLE
IN: fep OUT: GREEN
IN: dax blicket fep OUT: GREEN RED
IN: lug gazzer OUT: PINK PINK PINK PINK
IN: lug blicket lug OUT: PINK PINK
IN: dax blicket dax OUT: RED RED

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