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

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

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