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

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

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