In the following, identify the sentence fault (fragment, run-on, comma splice). Then revise to remedy the fault.
1. Although PepsiCo signed Beyonce to endorse its soft drinks. Sales continued to plummet.
2. In the beverage industry, the latest sales declines are astonishing. But not surprising.
3. Sugar-filled soft-drink sales have been declining for nine straight years, however diet drinks are not far behind.
4. Coca-Cola hired a creative director PepsiCo tried a new bottle design.
5. Health concerns are not the only problem, soft-drink makers are also facing a boom in alternative beverages.
6. PepsiCo and Coca-Cola are striving to return to profitability. Which explains why they are investing in energy drinks, sports drinks, and flavored water.