Sentence 1: My dog ate a whole plate of bacon by himself. 
 Sentence 3: We had to feed him some medicine 
 Sentence 4:  Once the medicine worked, he looked like he felt much better 
 Sentence 5:  He still ate bacon whenever he could find it 
 Option 1: He got a healthy stomachache. 
 Option 2: He got a bad stomachache.