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

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

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