Question: what are the three biggest pharmaceutical companies in the world?
Answer: Pfizer — $51.75 billion., Roche — $50 billion., Novartis — $47.45 billion., Merck — $46.84 billion., GlaxoSmithKline — $43.54 billion., Johnson & Johnson — $42.1 billion., AbbVie — $33.27 billion., Sanofi — $27.77 billion.