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

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

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