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

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

*GRAMMAR*
wif -> GREEN 
 dax -> RED 
 gazzer -> PURPLE 
 tufa -> PINK 
 x1 blicket u1 -> [u1] [u1] [x1] [u1] [x1] 
 u1 zup u2 -> [u2] [u1] 
 x1 lug x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 