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: Ash that enters the air naturally as a result of a volcano eruption is classified as a primary pollutant. Sentence 2: Toxic air pollutants are emitted by natural events (forest fires, volcanoes) as well as from industrial and mobile sources.

neutral