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

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

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