Sentence1: Gina needed to decide what topic she would write a speech on. Sentence2: She had no clue where to start. Sentence3: She liked fish, and thought this might be a good subject. Sentence4: She decided she would give a speech about dolphins. 
 (A) She went to the library to research and gave a great speech. (B) Gina was soon fired as a dolphin trainer.
A