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

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

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