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

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

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