Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Sentence 1: The sum of all chemical reactions that take place within an organism is known as metabolism. Sentence 2: Metabolism is the sum total of all chemical reactions performed by an organism.
Solution: entails
Reason: Sentence 2 gives out supporting information about the Metabolism hence it is correct

Now, solve this instance: Sentence 1: Knees and elbows are examples of the joints of the skeletal system. Sentence 2: Joints and Articular Cartilage Optimal functioning of the skeletal joints (knees, wrists, elbows, fingers, toes, hips, shoulders, neck and back) dramatically affects our mobility and dexterity-especially as we age.
Student:
entails