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

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

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