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

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

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