In this task, the input is a set of dialogues between a user and an assistant. You need to find the dialogue that is basically a response given to a question or an aspect of the user.

Let me give you an example: Hi. I want information about Namibia.
Nmbia is a country in southern Africa.
Do you have information about the media there?
What about it?
Interesting! What can you tell me about the politics and government?
The answer to this example can be: Nmbia is a country in southern Africa.
Here is why: This is a good example. The output is the response to the question asked by the user.

OK. solve this:
Santo Domingo has a rapid transit system plus an extensive metro system with a good length and many stations.
4 It was my pleasure. Glad to be of service.
The information sent did not elaborate and the mandates I have promised to up hold faithfully does not allow me to look outside of the facts given. So moving forward this Dominican Republic has become number two in offering fourG LTE wireless service. The country has a stock market at Bolsa de Valores de la Republica Dominicana known as BVRD.
Do you have any more information on their infrastructure?
Interesting! And what is their infrastructure like?
Answer:
Santo Domingo has a rapid transit system plus an extensive metro system with a good length and many stations.