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

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

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