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

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

*GRAMMAR*
fep -> GREEN 
 zup -> BLUE 
 lug -> RED 
 tufa -> YELLOW 
 x1 gazzer x2 -> [x2] [x1] 
 u1 blicket u2 -> [u2] [u1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 