Sentence 1: Jay woke in the night with severe back pain and heartburn. 
 Sentence 3: Jay woke his wife who was alarmed and drove him to the emergency room 
 Sentence 4:  The hospital ran a battery of tests and diagnosed Jay with gallstones 
 Sentence 5:  He was admitted for pain control and gallbladder removal surgery 
 Given Sentence 2: He took an antacid and stood under a hot shower, but nothing helped.