Q: OPTIONS:
- no
- yes.

The dog chased the cat , which ran up a tree. *It* waited at the bottom.

Do "It" and "the cat" mean the same thing?
A: no
Q: OPTIONS:
- no
- yes.

The actress used to be named Terpsichore , but she changed it to Tina a few years ago, because she figured *it* was easier to pronounce.

Do "it" and "Tina" mean the same thing?
A: yes
Q: OPTIONS:
- no
- yes.

The sun was covered by a thick cloud all morning, but luckily, by the time the picnic started, *it* was out.

Do "it" and "The sun" mean the same thing?
A:
yes