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

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

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