Problem: The standard gauge line followed a new alignment through the Avon Valley of the Darling Scarp east of Perth .
The standard gauge was followed by a new alignment through the Avon valley of the Darling Scarp east of Perth .
OPTIONS:
- no
- yes
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A: yes

Problem: Although iron is generally less active in many catalytic applications , it is less expensive and '' greener '' than other metals .
Although iron is generally less active in many catalytic applications , it is less expensive and '' -greener than other metals .
OPTIONS:
- no
- yes
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A: yes

Problem: Queen Peak is a mountain located on Vancouver Island , British Columbia , Canada , north of Gold River and east of Victoria Peak .
Queen Peak is a mountain located at Victoria Peak , north of Gold River and east of Vancouver Island , British Columbia , Canada .
OPTIONS:
- no
- yes
-+-
A:
no