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

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

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