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

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

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