Definition: In this task, you're given two sentences. Indicate if the first sentence clearly entails the second sentence (i.e., one can conclude the 2nd sentence by reading the 1st one). Indicate your answer with '1' if the first sentence entails the second sentence, otherwise answer with '0'.
Input: Sentence 1: The activists had been imprisoned in relation to their protest in the main square of Krakow , Poland, against the presence of Vladimir Putin at the ceremonies for the 60th anniversary of the freeing of the Auschwitz-Birkenau concentration camp. Sentence 2: Vladimir Putin participated in the ceremonies for the freeing of the Auschwitz Birkenau concentration camp.

1