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

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

*GRAMMAR*
fep -> GREEN 
 dax -> PURPLE 
 tufa -> RED 
 blicket -> BLUE 
 u1 wif u2 -> [u1] [u2] 
 u1 lug x1 -> [x1] [u1] 
 x1 zup -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 