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

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

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