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

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

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