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

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

*GRAMMAR*
wif -> RED 
 lug -> BLUE 
 fep -> YELLOW 
 kiki -> GREEN 
 x1 zup x2 -> [x1] [x2] 
 x1 blicket u1 -> [x1] [u1] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 