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

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

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