Sentence 1: A few days ago, I had been walking to the park. 
 Sentence 3: I tried to walk away from them but they started threatening me 
 Sentence 4:  When I left, I spoke to the police about them 
 Sentence 5:  The police spoke to the men and made them leave 
 Option 1: I had a picnic and my friends joined me. 
 Option 2: When I arrived, I saw some strange men running quickly towards me.