Here are two sentences:

The broader Standard & Poor 's 500 Index .SPX advanced 2 points , or 0.24 percent , to 977 .

The Nasdaq Composite Index .IXIC was off 6.52 points , or 0.39 percent , at 1,645.66 .
OPTIONS:
- no
- yes

no

Here are two sentences:

They looked at their son-in-law and his relatives , but did not exchange words .

She looked at her son-in-law and his relatives at times , but the two sides did not exchange words .
OPTIONS:
- no
- yes

yes

Here are two sentences:

No rabies vaccine is available for humans in Zimbabwe and if it was it would be too expensive for most bitten by infected dogs .

Health professionals say there is no rabies vaccine for humans in Zimbabwe and , even if it was available , it is too expensive for most bitten by infected dogs .
OPTIONS:
- no
- yes
yes