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

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

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