Sentence 1: Mary's baby had been crying all night. 
 Sentence 3: It looked really high so she figured he was sick 
 Sentence 4:  She ran out to the store and bought some medicine 
 Sentence 5:  At home, she gave him some and he seemed to calm down a bit 
 Option 1: She didn't know why so she checked his temperature. 
 Option 2: She didn't know why, so she weighed him.