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

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

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