*SUPPORT*
IN: fep lug blicket wif OUT: RED GREEN GREEN
IN: blicket tufa lug dax wif lug fep OUT: GREEN GREEN PINK PINK RED
IN: fep OUT: RED
IN: zup tufa lug blicket tufa OUT: BLUE BLUE GREEN GREEN
IN: blicket blicket OUT: GREEN GREEN
IN: dax OUT: PINK
IN: zup zup wif lug dax tufa OUT: BLUE BLUE BLUE PINK PINK
IN: dax dax wif OUT: PINK PINK PINK
IN: blicket fep wif OUT: GREEN RED RED
IN: blicket dax wif OUT: GREEN PINK PINK
IN: fep dax wif lug zup wif OUT: RED PINK PINK BLUE BLUE
IN: fep tufa OUT: RED RED
IN: dax blicket wif OUT: PINK GREEN GREEN
IN: fep lug blicket blicket wif OUT: RED GREEN GREEN GREEN

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

*GRAMMAR*
fep -> RED 
 blicket -> GREEN 
 zup -> BLUE 
 dax -> PINK 
 x1 lug x2 -> [x1] [x2] 
 u1 wif -> [u1] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 