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

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

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