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

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

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