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

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

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