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

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

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