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

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

*GRAMMAR*
tufa -> BLUE 
 dax -> RED 
 gazzer -> GREEN 
 kiki -> PURPLE 
 u1 wif u2 -> [u2] [u1] 
 x1 zup x2 -> [x1] [x2] 
 u1 blicket x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 