*SUPPORT*
IN: dax dax dax kiki OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax OUT: PURPLE
IN: zup fep OUT: RED RED
IN: zup blicket tufa lug OUT: RED YELLOW GREEN
IN: dax lug fep OUT: PURPLE YELLOW PURPLE YELLOW
IN: lug tufa dax OUT: PURPLE YELLOW
IN: lug kiki OUT: YELLOW YELLOW
IN: lug OUT: YELLOW
IN: dax lug kiki OUT: PURPLE YELLOW PURPLE YELLOW
IN: lug tufa lug kiki fep OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax lug dax tufa lug OUT: PURPLE YELLOW YELLOW PURPLE
IN: dax kiki OUT: PURPLE PURPLE
IN: zup kiki kiki OUT: RED RED RED RED
IN: blicket blicket kiki fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN

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

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