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

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

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