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

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

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