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

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

*GRAMMAR*
zup -> RED 
 blicket -> BLUE 
 wif -> PINK 
 gazzer -> YELLOW 
 u1 kiki x1 -> [u1] [x1] [u1] [x1] 
 x1 fep x2 -> [x2] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 