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

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

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