Sentence 1: A couple decided to make their own pottery. 
 Sentence 3: They each attempted to make their own pots 
 Sentence 4:  They nearly all turned out badly 
 Sentence 5:  They decided they were better off buying pottery instead 
 Option 1: They purchased a potter's wheel and decided to learn how to use it. 
 Option 2: They became very successful and sold their pottery in galleries.