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

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

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