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

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

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