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

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

*GRAMMAR*
blicket -> YELLOW 
 lug -> RED 
 dax -> GREEN 
 kiki -> BLUE 
 x1 wif -> [x1] [x1] 
 u1 fep u2 -> [u2] [u1] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 