Sentence 1: Tim was at an antique store. 
 Sentence 3: Tim bumped into some items 
 Sentence 4:  One fell and shattered on the floor 
 Sentence 5:  Tim had to pay for the expensive antique 
 Option 1: He accidentally bumped into an item, but caught it before it fell. 
 Option 2: He was a bit pre-occupied and not paying attention.