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

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

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