A same meaning or not problem: OPTIONS:
- no
- yes
When maximum concentrations are reached , there may be a delay of one or two days before toxic toxicity occurs .
When toxic concentrations are reached , there may be a delay of one or two days before a maximum toxicity occurs .
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[A]: no

A same meaning or not problem: OPTIONS:
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- yes
The river Dunareana is a tributary of the Galbena River in Romania .
The Dunareana River is a tributary of the Galbena River in Romania .
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[A]: yes

A same meaning or not problem: OPTIONS:
- no
- yes
Central Italy refers to the regions of Abruzzi e Molise , Marche , Umbria , Lazio and Tuscania .
Central Italy refers to the areas Tuscania , Marche , Umbria , Lazio and Abruzzi e Molise .
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[A]: yes

A same meaning or not problem: OPTIONS:
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- yes
Also several free web hosting services such as geocities provided free webspace for personal web pages .
Also personal web hosting - services such as geocities provided free web space for several free websites .
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[A]:
no