Read the text and determine if the sentence is true (see options at the end):

The Mountains<br>The explorers were hiking. They were trying to pass through a mountain range. They spent three days trying to cross. They finally found themselves walking downhill again. They had reached the other side!

Sentence: They spent a night at the mountain
Available options:
 1). Yes;
 2). It's impossible to say;
 3). No;
1).