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

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

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