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

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

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