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

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

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