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

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

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