Maria didn't do anything. She just took a walk nearby.

“Gosh. Isn't that too excessive? Maria can't possibly build a shelter alone."

“Surviving in the wild is just like that. If that were me, I would do the same thing.”

“Aren't they supposed to work as a team? Why can't we see any sign of cooperation in this team?"

After Maria took a walk, she went back to the place where they just had lunch.