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

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

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