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

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

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