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

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

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