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

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

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