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1. people speak spanish in most of south america.
2. you can cook this product in microwave oven.
3. they didn't require extra cheese and sauce.

1. People speak Spanish in most of South America.

Spanish is spoken in most of South America (by people).

2. You can cook this product in microwave oven.

This product can be cooked in microwave oven (by you).

3. They didn't require extra cheese and sauce.

Extra cheese and sauce weren't required (by them).