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: The concentration of hydrogen ions in a solution is called acidity. Sentence 2: pH A logarithmic measure of the acidity or alkalinity of a solution using the hydrogen ion concentration.

Answer: entails


Question: Sentence 1: The water cycle involves movement of water between air and land. Sentence 2: and air, water, and land pollution.

Answer: neutral


Question: Sentence 1: Natural selection is the process that allows organisms with better traits to survive and produce. Sentence 2: The term natural selection refers to the the process where heritable traits that make it more likely for an organism to survive long enough to reproduce become more common over successive generations of a population.

Answer:
entails