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

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

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