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

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

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