TASK 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.
PROBLEM: Sentence 1: Humans possess a(n) endoskeleton. Sentence 2: endoskeleton  An internal supporting skeleton with muscles on the outside; in vertebrates, consists of the skull, spinal column, ribs, and appendages.

SOLUTION: entails

PROBLEM: Sentence 1: The water cycle involves movement of water between air and land. Sentence 2: Caused by air pollution, acid rain's spread and damage involves weather, chemistry, soil, and the life cycles of plants and animals on the land and from acid rain in the water.

SOLUTION: neutral

PROBLEM: Sentence 1: Particle accelerators can nuclear fusion in stars be simulated. Sentence 2: The neutron source can be a nuclear fusion machine or a neutron source producing neutrons through spallation of heavy nuclei by charged particles such as protons accelerated by a particle accelerator.

SOLUTION:
neutral