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

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

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