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

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

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