Teacher:In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Teacher: Now, understand the problem? Solve this instance: The iPhone 6S and iPhone 6S Plus are two smartphones designed by Apple Inc .
Student:
The iPhone 6S and iPhone 6S Plus ( stylized and marketed as iPhone 6s and iPhone 6s Plus ) are smartphones that were designed , developed , and marketed by Apple Inc .