*SUPPORT*
IN: fep OUT: PURPLE
IN: gazzer OUT: GREEN
IN: dax wif OUT: YELLOW YELLOW YELLOW
IN: lug fep OUT: BLUE PURPLE
IN: fep kiki dax OUT: YELLOW PURPLE YELLOW
IN: gazzer wif OUT: GREEN GREEN GREEN
IN: fep gazzer kiki gazzer OUT: PURPLE GREEN GREEN GREEN
IN: dax dax lug OUT: YELLOW YELLOW BLUE
IN: lug blicket OUT: BLUE BLUE BLUE
IN: lug OUT: BLUE
IN: fep wif OUT: PURPLE PURPLE PURPLE
IN: gazzer dax kiki lug OUT: GREEN BLUE YELLOW BLUE
IN: dax kiki gazzer OUT: GREEN YELLOW GREEN
IN: dax kiki lug OUT: BLUE YELLOW BLUE

*QUERY*
IN: gazzer dax OUT: GREEN YELLOW
IN: fep kiki lug OUT: BLUE PURPLE BLUE
IN: dax OUT: YELLOW
IN: lug gazzer kiki fep OUT: BLUE PURPLE GREEN PURPLE
IN: dax kiki fep OUT: PURPLE YELLOW PURPLE
IN: lug wif OUT: BLUE BLUE BLUE
IN: gazzer kiki gazzer OUT: GREEN GREEN GREEN
IN: fep lug blicket OUT: PURPLE BLUE PURPLE BLUE PURPLE BLUE
IN: lug kiki fep OUT: PURPLE BLUE PURPLE
IN: gazzer gazzer kiki lug OUT: GREEN BLUE GREEN BLUE

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