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

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

*GRAMMAR*
gazzer -> BLUE 
 blicket -> YELLOW 
 wif -> RED 
 dax -> GREEN 
 u1 kiki x1 -> [u1] [x1] 
 x1 fep x2 -> [x2] [x1] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 