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

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

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