What is the context of Exodus 9:14-15?

• The Plague of Boils (Exodus 9:8-17 true)
• The Plague of Hail (Exodus 9:13-35 true)
• Plague Seven: Hail (Exodus 9:13-35 true)
• A Plague of Hail (Exodus 9:13-35 true)
• The Seventh Plague: Hail (Exodus 9:13-35 true)