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

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

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