*SUPPORT*
IN: wif fep OUT: YELLOW YELLOW YELLOW
IN: wif wif kiki kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax kiki blicket lug OUT: GREEN GREEN RED RED
IN: lug dax OUT: RED GREEN
IN: wif fep blicket wif OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax dax OUT: GREEN GREEN
IN: gazzer lug blicket dax blicket lug OUT: PINK RED GREEN GREEN RED RED
IN: gazzer gazzer wif kiki OUT: PINK PINK YELLOW PINK PINK YELLOW
IN: gazzer blicket gazzer OUT: PINK PINK PINK
IN: wif OUT: YELLOW
IN: gazzer blicket gazzer kiki OUT: PINK PINK PINK PINK PINK PINK
IN: gazzer kiki OUT: PINK PINK
IN: lug wif OUT: RED YELLOW
IN: lug OUT: RED

*QUERY*
IN: wif kiki fep OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax gazzer OUT: GREEN PINK
IN: dax OUT: GREEN
IN: dax fep OUT: GREEN GREEN GREEN
IN: dax gazzer kiki blicket gazzer OUT: GREEN PINK GREEN PINK PINK PINK
IN: dax kiki OUT: GREEN GREEN
IN: gazzer dax wif gazzer dax blicket lug OUT: PINK GREEN YELLOW PINK GREEN RED RED
IN: gazzer OUT: PINK
IN: wif kiki OUT: YELLOW YELLOW
IN: wif wif OUT: YELLOW YELLOW

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