Sentence 1: I collect novelty brain teasers. 
 Sentence 3: Occasionally I will break one accidentally while solving 
 Sentence 4:  I still add those ones to my collection 
 Sentence 5:  They go on the top shelf as the teasers that bested me 
 Option 1: I especially like the ones with loops and chains. 
 Option 2: I've never broken one.