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

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

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