Sentence 1: Ned went on vacation in Peru. 
 Sentence 3: The mountain was incredibly steep, and Ned had trouble with the climb 
 Sentence 4:  The porters were used to climbing the mountain, and helped Ned climb 
 Sentence 5:  Ned managed to make it to the top with the porter's assistance 
 Option 1: While there, he made plans to hike a mountain, to Machu Picchu. 
 Option 2: While there, he made plans to go swimming.