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

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

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