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

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

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