Context:
But it is hard to understand how, if the overall purpose of the Copyright Clause is to encourage creative work, how some retroactive extension could possibly do that. I -- one wonders what was in the principle 13 difficult principle given to Congress and has been exercised so repeatedly out there that would ever kick in?
Hypothesis: The Copyright Clause is for encouraging only film
No
Context:
Papyrus Oxyrhynchus 22 (P. Oxy. 22) contains fragments of the "Oedipus Tyrannus" by Sophocles, written in Greek. It was discovered by Grenfell and Hunt in 1897 in Oxyrhynchus. The fragment is dated to the fifth century. It is housed in the British Library (Department of Manuscripts). The text was published by Grenfell and Hunt in 1898.
Hypothesis: It is always guarded
It's impossible to say
Context:
Mark's dog returns<br>Mark had lost his dog over a month ago. He missed his dog very much. One evening while mowing the lawn he notices something. He sees a dog in the street that looked like his lost dog. It turns out to be his lost dog who had returned home.
Hypothesis: Mark was not cutting his grass at the time he saw his dog's doppelganger.

No