When Lucian said there was something wrong with his water, Rosalie did smell a faint odor in the water.

That odor was produced by a type of bacteria when it comes into contact with water. But the problem was, that kind of bacteria could only survive in a laboratory. If it weren't man-made, it would not be possible for it to appear in such a mountain setting.

Therefore, Rosalie's first reaction was to check if there were anyone other than them around. But, the grass field they were at was unobs