Definition: In this task, you are given two statements. The task is to output whether a given textual premise, i.e. Statement 2, entails or implies a given scientific fact, i.e. Statement 1. The output should be 'entails' if Statement 2 supports Statement 1 and should be 'neutral' otherwise.
Input: Sentence 1: Human actions has increased the greenhouse effect. Sentence 2: For many years many atmospheric scientists have predicted that the human-induced increase in carbon dioxide and other radiatively active trace gases would enhance the greenhouse effect and cause a global warming of the earth's surface.

entails