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

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

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