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

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

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