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

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

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