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: CBS Broadcasting Inc . ( CBS ) ( full name : Columbia Broadcasting System ) is an American television network .
Student:
CBS ( an initialism of the network 's former name , the Columbia Broadcasting System ) is an American English language commercial broadcast television and radio network that is a flagship property of CBS Corporation .