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

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

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