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

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

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