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

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

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