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

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

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