Choose the sentence that is closest in meaning to the original one.

Like all mammals, dolphins cannot breathe underwater.

The cheetah is the fastest runner of all living creatures.

The cheetah is a faster runner on land.

No other land animal runs as fast as the cheetah.

No other animal runs as quick as the cheetah.

Unless people stop cutting down forests, animals will lose their homes.

Animals will lose their homes although people continue cutting down forests.

If people stop cutting down forests, animals will lose their homes.

Unless people continue cutting down forests, animals will lose their homes.

Many organizations have been set up and funds have been raised.

Many funds have been set up and organizations have been raised.

Many have been raised funds and have been set up organizations.

Many funds, organizations have been set up and have been raised.

Unless we stop illegal hunting, many animal species will disappear.

If we stop illegal hunting, many animal species will disappear.

If illegal hunting is stopped, many animal species will disappear.

Unless we continue illegal hunting, many animal species will disappear.

All animals in the forest are larger than the elephant.

The elephant is larger than some animals in the forest.

The elephant is the largest animal in the forest.

The elephant is as large as other animals in the forest.

Unless you visit the national park, you will see many rare animals.

You will see many rare animals provided that you visit the national park.

You will see many rare animals although you visit the national park.

You visit the national park, you will see many rare animals.

Unless the environment is protected, many wild animals will suffer.

If we protect the environment, many wild animals will suffer.

If we don't protect the environment, many wild animals will survive.

Unless the environment is protected, many wild animals will survive.