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: Europe's economic environment has altered considerably over the last thirty years, and the economies of European countries have progressively opened up to the global economy. As a result, the competitiveness of the European economies is dependent not just on production costs, but also on the performance of pension and social security systems guaranteeing security for the future. Sentence 2: National pension systems currently adopted in Europe are in difficulties.

0