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

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

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