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

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

*GRAMMAR*
tufa -> BLUE 
 blicket -> PURPLE 
 gazzer -> YELLOW 
 zup -> RED 
 x1 fep u1 -> [x1] [u1] [x1] 
 x1 kiki u1 -> [x1] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 