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

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

*GRAMMAR*
gazzer -> YELLOW 
 zup -> BLUE 
 tufa -> PURPLE 
 fep -> RED 
 u1 lug u2 -> [u1] [u2] 
 u1 dax x1 -> [u1] [x1] [u1] 
 x1 wif x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 