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

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

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