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

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

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