Sentence 1: It was a nice and sunny day so Rick went to the park. 
 Sentence 3: The dog had a leash but no one holding it 
 Sentence 4:  Rick grabbed hold of the leash and set off to find the owner 
 Sentence 5:  In the end Rick found the grateful owner and all was well 
 Option 1: He enjoyed stealing dogs from their owners. 
 Option 2: He was walking around when he saw a dog running around.