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

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

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