Add presentation with more results

references.bib

+@article{SchaeferStede2021,
+    author = {Schäfer, Robin and Stede, Manfred},
+    year = {2021},
+    month = {04},
+    pages = {000010151520200053},
+    title = {Argument Mining on Twitter: A survey},
+    volume = {63},
+    journal = {it - Information Technology},
+    doi = {10.1515/itit-2020-0053}
+}
+
+@article{Knott1993,
+    author = {Knott, Alistair},
+    year = {1993},
+    month = {04},
+    pages = {},
+    title = {Using linguistic phenomena to motivate a set of coherence relations},
+    volume = {18},
+    journal = {Discourse Processes - DISCOURSE PROCESS},
+    doi = {10.1080/01638539409544883}
+}
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