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

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

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