Deduct a major theme from the given book review
The book ‘A Doll’s House’ is an enlightening read that provides valuable insights into gender equality, marriage and other social conventions.
Gender equality is a major theme in the book 'A Doll's House.'
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Deduct a major theme from the given book review

### Response:
Gender equality is a major theme in the book 'A Doll's House.'