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

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

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