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

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

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