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

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

*GRAMMAR*
blicket -> BLUE 
 wif -> RED 
 dax -> GREEN 
 tufa -> PURPLE 
 x1 fep u1 -> [x1] [u1] [x1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 zup -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 