Here are two sentences:

A draft statement , obtained by Reuters on Friday , stopped short of endorsing the U.S. charge but said some aspects of Iran 's programme raised " serious concern " .

The EU statement stopped short of endorsing the U.S. charge that Tehran is seeking nuclear weapons but said some aspects of Iran 's programme raised " serious concern " .

yes

Here are two sentences:

The number of people in the UK infected by HIV , the virus that causes Aids , increased by almost 20 per cent last year to nearly 50,000 .

The global epidemic of HIV , the virus that causes Aids , is tightening its grip on Britain with a record number of new cases diagnosed last year .

no

Here are two sentences:

Most taxpayers will get surprise tax cuts of between $ 4 and $ 11 a week from July 1 .

Australia 's 9 million income taxpayers received surprise tax cuts of between $ 3 and $ 11 a week from Treasurer Peter Costello last night .
yes