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

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

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