Sentence 1: Emil was traveling in India and became thirsty. 
 Sentence 3: Emil was scared that he would have to go thirsty 
 Sentence 4:  Then, Emil remembered that he carried purification tablets in his bag 
 Sentence 5:  Emil used the tablets so that he could drink clean water 
 Option 1: There was plenty of clean water nearby. 
 Option 2: There was no clean water nearby.