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

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

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