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

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

*GRAMMAR*
fep -> GREEN 
 gazzer -> BLUE 
 wif -> RED 
 zup -> YELLOW 
 u1 tufa x1 -> [x1] [u1] 
 x1 kiki -> [x1] [x1] 
 u1 lug u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 