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

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

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