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

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

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