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

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

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