*SUPPORT*
IN: lug zup OUT: RED RED RED RED RED RED RED
IN: tufa fep wif fep wif OUT: GREEN GREEN BLUE
IN: tufa OUT: BLUE
IN: gazzer OUT: YELLOW
IN: wif kiki wif OUT: GREEN GREEN
IN: lug wif OUT: RED GREEN
IN: lug OUT: RED
IN: tufa kiki lug gazzer fep tufa OUT: BLUE RED YELLOW BLUE
IN: wif kiki wif zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa kiki lug zup OUT: RED RED RED RED RED RED RED BLUE
IN: lug kiki lug fep tufa fep wif OUT: GREEN BLUE RED RED
IN: wif OUT: GREEN
IN: wif zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa kiki gazzer OUT: YELLOW BLUE

*QUERY*
IN: gazzer gazzer OUT: YELLOW YELLOW
IN: gazzer fep wif OUT: GREEN YELLOW
IN: wif wif gazzer fep lug OUT: RED GREEN GREEN YELLOW
IN: lug zup fep lug OUT: RED RED RED RED RED RED RED RED
IN: gazzer zup OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: lug lug fep gazzer OUT: YELLOW RED RED
IN: wif fep tufa OUT: BLUE GREEN
IN: wif tufa OUT: GREEN BLUE
IN: wif kiki lug kiki wif tufa lug OUT: GREEN BLUE RED RED GREEN
IN: wif kiki lug wif OUT: RED GREEN GREEN

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