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

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

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