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

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

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