diff --git a/presentation/main.tex b/presentation/main.tex
index 50fddcb..94dedf6 100644
--- a/presentation/main.tex
+++ b/presentation/main.tex
@@ -3,7 +3,7 @@
 %	Struktur und Pointer Referat
 %   20.04.2020
 %----------------------------------------------------------------------------------------
-\usetheme{focus}
+\usetheme[nofirafonts]{focus}
 
 \usepackage[utf8]{inputenc}
 
@@ -68,6 +68,28 @@
     \begin{frame}
         \maketitle
     \end{frame}
+    
+
+%----------------------------------------------------------------------------------------
+%	 SECTION 1
+%----------------------------------------------------------------------------------------
+% todo pic of action
+    \section{The goal}
+    \begin{frame}{The goal}
+      \begin{itemize}
+        \item train model
+        \item recognize action of person
+        \item from video [$\approx$10sec]
+        \item eg.:
+        \begin{itemize}
+          \item brushing hair
+          \item riding bike
+          \item dancing
+          \item playing violin
+        \end{itemize}
+      \end{itemize}
+    
+    \end{frame}
 
 %----------------------------------------------------------------------------------------
 %	 SECTION 2
@@ -80,44 +102,29 @@
 
     \begin{frame}{Missing Labels}
         \begin{itemize}
+            \item Supervised action recoginition
+            \begin{itemize}
+              \item lots of labeled samples necessary
+              \item videos
+            \end{itemize}
             \item Labeling Samples very expensive
-            \item Pointer zeigt wo das Objekt zu finden ist.
-            \item nicht alle Pointer enthalten Adresse
             \begin{itemize}
-                \item NULL-Pointer
+              \item avoid!
             \end{itemize}
-            \item Operator *
+            \item Tremendous amount of unlabled data
             \begin{itemize}
-                \item definiert einen Pointer
-                \item Wert eines Pointers
-            \end{itemize}
-            \item Operator \&
-            \begin{itemize}
-                \item Adresse einer Variable
+              \item YouTube
             \end{itemize}
+            \item using semi-supervised learning might be benefitial
         \end{itemize}
     \end{frame}
 
 %------------------------------------------------
 
-    \begin{frame}[fragile]{Pointer Syntax}
-        \begin{lstlisting}
-#include <stdio.h>
-int main()
-{
-   // Variable definieren
-   int num = 10;
-
-   // Pointer definieren
-   int *p;
-
-   // Adresse von num --> p zuweisen
-   p = &num;
-
-   printf("Num: %d", *p);
-   return 0;
-}
-        \end{lstlisting}
+    \begin{frame}{Whats already been done}
+    \begin{itemize}
+      \item pseudo-labeling
+    \end{itemize}
     \end{frame}
 
 %------------------------------------------------