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

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

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