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

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

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