Read the following context and choose the best option to answer the question.
Context: We were still new at this and had n't learnt to be selective with excursions . Fifteen kilometres behind the Nullabor Roadhouse are three caves formed underground by collapsed land . We got instructions on how to get there from the roadhouse staff , left the camper behind and drove off into the scrub . Soon , all we could see was the horizon , so flat was the landscape in all directions .
Question: How did they figure out how to get to their destination ?
Options: 
- They had to get a map from the roadhouse .
 - They had to stop at the roadhouse .
 - None of the above choices .
 - They had to write down directions .


They had to stop at the roadhouse .