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

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

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