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

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

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