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

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

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