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

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

*GRAMMAR*
zup -> YELLOW 
 gazzer -> BLUE 
 fep -> PURPLE 
 wif -> RED 
 x1 dax x2 -> [x1] [x2] [x2] [x1] 
 u1 lug x1 -> [u1] [x1] 
 x1 tufa x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 