fixed coordinate of c on slide 5

ACNS/presentation/motivation.tex

@@ -69,7 +69,8 @@
 		\pause
 		\node [above = 2.5 of bob] (encaps) {$\encaps \paren* \pk$};
 		\node [above = 0.5 of bob] (keybob) {$\key$};
-		\node [above = 2.5 of alice] (cipher) {$c$};
+		%\node [above = 2.5 of alice] (cipher) {$c$};
+		\node (cipher) at ($(encaps)+(-6,0)$) {$c$};
 		\draw [->] (encaps) -- (cipher);
 		\draw [->] (encaps) -- (keybob);
 		\pause