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

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

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