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

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

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