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

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

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