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

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

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