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

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

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