*SUPPORT*
IN: kiki blicket fep OUT: GREEN GREEN PURPLE PURPLE GREEN GREEN GREEN PURPLE
IN: kiki OUT: GREEN
IN: zup fep zup OUT: BLUE PURPLE BLUE
IN: fep OUT: PURPLE
IN: fep blicket fep OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: kiki lug OUT: GREEN YELLOW
IN: zup gazzer lug OUT: YELLOW BLUE
IN: kiki wif fep wif lug wif zup OUT: BLUE YELLOW PURPLE GREEN
IN: fep wif fep wif kiki gazzer zup OUT: BLUE GREEN PURPLE PURPLE
IN: zup kiki fep OUT: BLUE GREEN PURPLE
IN: lug zup lug OUT: YELLOW BLUE YELLOW
IN: kiki wif lug OUT: YELLOW GREEN
IN: kiki kiki wif fep OUT: GREEN PURPLE GREEN
IN: zup gazzer kiki wif zup OUT: BLUE GREEN BLUE

*QUERY*
IN: fep wif kiki OUT: GREEN PURPLE
IN: lug OUT: YELLOW
IN: fep wif fep gazzer zup OUT: BLUE PURPLE PURPLE
IN: zup wif kiki OUT: GREEN BLUE
IN: fep kiki gazzer zup zup OUT: BLUE BLUE PURPLE GREEN
IN: lug zup OUT: YELLOW BLUE
IN: lug wif fep OUT: PURPLE YELLOW
IN: lug gazzer kiki wif fep OUT: PURPLE GREEN YELLOW
IN: kiki gazzer kiki OUT: GREEN GREEN
IN: zup OUT: BLUE

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