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

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

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