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

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

*GRAMMAR*
wif -> BLUE 
 zup -> PINK 
 dax -> YELLOW 
 lug -> GREEN 
 u1 blicket x1 -> [x1] [u1] [x1] 
 u1 fep -> [u1] [u1] [u1] 
 u1 tufa u2 -> [u1] [u2] [u2] [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 