The answer is 1, because paying attention to word choice is a solution to a communication barrier
Is this quote from a play or something?
Swift’s judgements and works are still accurate; known mostly for his famous “Gulliver’s travels”, but also for other works such as “A modest proposal”, his highly ironic style is a great satire of human nature. In his writings, he addressed philosophic issues such as the true nature of freedom and the meaning of knowledge, which are still applicable in the modern world.