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

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

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