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

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

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