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

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

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