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

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

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