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

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

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