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

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

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