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

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

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