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

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

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