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

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

*GRAMMAR*
dax -> PINK 
 lug -> GREEN 
 kiki -> PURPLE 
 fep -> BLUE 
 u1 tufa u2 -> [u1] [u2] 
 x1 blicket x2 -> [x2] [x1] 
 u1 zup -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 