Backward reasoning: a residual path

What do you choose as the best combination of symptoms for this 60-year-old female patient ?

1. constipation

2. abdominal pain

3. nausea, vomiting

4. fever, abdominal pain

5. nausea, abdominal pain, vomiting

Umbilical hernia. Nausea, vomiting and intermitent abdominal pain