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

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

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