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

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

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