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

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

*GRAMMAR*
tufa -> PURPLE 
 wif -> BLUE 
 zup -> RED 
 dax -> GREEN 
 x1 blicket u1 -> [u1] [x1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 x1 kiki -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 