*SUPPORT*
IN: tufa zup gazzer dax OUT: PURPLE GREEN BLUE
IN: blicket gazzer dax OUT: GREEN RED
IN: tufa dax blicket dax dax gazzer dax OUT: PURPLE GREEN RED GREEN GREEN GREEN
IN: zup tufa lug wif OUT: BLUE PURPLE PURPLE BLUE PURPLE PURPLE
IN: blicket lug OUT: RED RED
IN: tufa gazzer zup OUT: BLUE PURPLE
IN: zup lug OUT: BLUE BLUE
IN: tufa gazzer blicket OUT: RED PURPLE
IN: dax gazzer dax OUT: GREEN GREEN
IN: dax blicket lug wif OUT: GREEN RED RED GREEN RED RED
IN: tufa dax OUT: PURPLE GREEN
IN: zup lug wif OUT: BLUE BLUE BLUE BLUE
IN: tufa wif OUT: PURPLE PURPLE
IN: tufa gazzer tufa OUT: PURPLE PURPLE

*QUERY*
IN: dax lug OUT: GREEN GREEN
IN: zup gazzer zup OUT: BLUE BLUE
IN: blicket gazzer blicket OUT: RED RED
IN: blicket blicket OUT: RED RED
IN: dax OUT: GREEN
IN: zup OUT: BLUE
IN: dax dax wif OUT: GREEN GREEN GREEN GREEN
IN: tufa dax zup lug OUT: PURPLE GREEN BLUE BLUE
IN: tufa OUT: PURPLE
IN: tufa lug OUT: PURPLE PURPLE

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