*SUPPORT*
IN: fep fep OUT: BLUE BLUE
IN: fep lug wif OUT: BLUE GREEN GREEN GREEN
IN: lug fep wif OUT: GREEN BLUE BLUE BLUE
IN: fep tufa OUT: BLUE BLUE BLUE
IN: dax tufa OUT: YELLOW YELLOW YELLOW
IN: dax fep tufa OUT: YELLOW BLUE YELLOW BLUE YELLOW BLUE
IN: dax OUT: YELLOW
IN: zup fep wif OUT: PURPLE BLUE BLUE BLUE
IN: lug wif blicket dax OUT: YELLOW GREEN GREEN GREEN YELLOW
IN: lug fep zup OUT: GREEN BLUE PURPLE
IN: lug OUT: GREEN
IN: dax wif OUT: YELLOW YELLOW YELLOW
IN: dax zup wif OUT: YELLOW PURPLE PURPLE PURPLE
IN: zup wif blicket dax OUT: YELLOW PURPLE PURPLE PURPLE YELLOW

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

*GRAMMAR*
lug -> GREEN 
 zup -> PURPLE 
 fep -> BLUE 
 dax -> YELLOW 
 x1 blicket u1 -> [u1] [x1] [u1] 
 x1 tufa -> [x1] [x1] [x1] 
 u1 wif -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 