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

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

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