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

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

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