IN:
Multi-choice problem: [it]

A mathematical equation is more influential than politics, because it will stand forever.

OPTIONS:
- A mathematical equation
- politics

OUT:
A mathematical equation

IN:
Multi-choice problem: [they]

Terranova has better ratings than House since they have attracted more new audiences.

OPTIONS:
- Terranova
- House

OUT:
Terranova

IN:
Multi-choice problem: [it]

The Emancipation Proclamation made slavery illegal, but it was still practiced.

OPTIONS:
- The Emancipation Proclamation
- slavery

OUT:
slavery

IN:
Multi-choice problem: [she]

Alice helped Gwen move because she was nice.

OPTIONS:
- Alice
- Gwen

OUT:
Alice