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

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

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