*SUPPORT*
IN: dax dax fep blicket OUT: RED RED RED RED RED RED
IN: dax fep blicket blicket OUT: RED RED RED RED RED RED RED RED
IN: lug lug OUT: BLUE BLUE
IN: zup zup tufa zup gazzer dax OUT: GREEN GREEN PINK RED GREEN
IN: zup gazzer tufa blicket OUT: PINK GREEN PINK GREEN
IN: dax OUT: RED
IN: tufa fep OUT: PINK PINK
IN: dax blicket blicket OUT: RED RED RED RED
IN: zup dax blicket OUT: GREEN RED GREEN RED
IN: tufa OUT: PINK
IN: lug gazzer lug OUT: BLUE BLUE
IN: dax lug OUT: RED BLUE
IN: lug OUT: BLUE
IN: lug gazzer zup OUT: GREEN BLUE

*QUERY*
IN: zup fep OUT: GREEN GREEN
IN: tufa blicket OUT: PINK PINK
IN: lug fep OUT: BLUE BLUE
IN: dax zup lug OUT: RED GREEN BLUE
IN: dax fep OUT: RED RED
IN: tufa gazzer zup blicket OUT: GREEN PINK GREEN PINK
IN: zup zup gazzer dax OUT: GREEN RED GREEN
IN: tufa gazzer lug OUT: BLUE PINK
IN: tufa fep blicket OUT: PINK PINK PINK PINK
IN: lug lug dax zup blicket OUT: BLUE BLUE RED GREEN BLUE BLUE RED GREEN

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