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

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

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