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

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

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