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

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

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