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

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

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