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

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

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