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

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

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