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

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

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