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

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

*GRAMMAR*
lug -> PURPLE 
 blicket -> GREEN 
 gazzer -> YELLOW 
 dax -> RED 
 u1 kiki -> [u1] [u1] 
 u1 fep u2 -> [u2] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 