Sentence1: Tim just got a new phone. Sentence2: He had dropped it a few time hours within getting it. Sentence3: He decided he needed a case to protect his phone. Sentence4: He went to the local store and purchased a waterproof phone case. 
 (A) Tim's phone became ruined when he spilled water on it. (B) Tim didn't have to worry about dropping it in water anymore.
B