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

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

*GRAMMAR*
gazzer -> BLUE 
 lug -> YELLOW 
 fep -> GREEN 
 zup -> RED 
 u1 tufa -> [u1] [u1] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 