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

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

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