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: The ears are an external feature in human beings is responsible for balance. Sentence 2: Balance   The ears are also responsible for the sense of balance.

SOLUTION: entails

PROBLEM: Sentence 1: You call a substance that cannot be separated into smaller pieces, which is also defined by the number of protons it has, a(n) element. Sentence 2: Elements are pure substances that are made up of a single kind of atom (atoms with the same number of protons) and cannot be separated into different substances by ordinary chemical methods.

SOLUTION: entails

PROBLEM: Sentence 1: Sexual reproduction, in general, relies on sets of cells that are precursors for eggs and sperm. Sentence 2: In sexual reproduction the cells used for reproduction, called gametes, are either eggs or sperms.

SOLUTION:
entails