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

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

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