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

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

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