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

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

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