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.
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Question: Sentence 1: Primary pollutants enter the air directly. Sentence 2: The goal is to directly observe how primary particles emitted from the many air pollution sources in a major city are modified by gas-to-particle conversion processes in the atmosphere.

Answer: neutral


Question: Sentence 1: Because atoms have equal numbers of positive protons and negative electrons, they possess a neutral charge. Sentence 2: Atoms are electrically neutral when the number of negatively charged electrons  orbiting the nucleus equals the number of positively charged protons within the nucleus.

Answer: entails


Question: Sentence 1: The brain is the most complex organ in the human body. Sentence 2: The human brain is the most complex living organism on Earth.

Answer:
entails