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

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

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