A same meaning or not problem: OPTIONS:
- no
- yes
The white-spotted fantail , ( '' R. albogularis '' ) until recently was considered a subspecies .
The white-stained fantail ( '' R. albogularis '' ) was until recently considered a subspecies .
****
[A]: yes

Same meaning?
Production is mainly dedicated to the professional market , with the Linea Pro industrial products , the DIY market is served by the Linea Blu product range .
The production is mainly dedicated to the professional market , with the industrial products Linea Pro , the DIY market , is operated by the Linea Blu product line .

OPTIONS:
- no
- yes

Answer: yes

Problem: S1: The Rotunda River is a tributary of the Purul River in Romania .
S2: The River Rotunda is a tributary of the Purul River in Romania .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: (1) Central forces that are conservative can always be expressed as the negative gradient of a potential energy :
(2) The conservative central forces can always be expressed as a negative gradient of a potential energy :

Do (1) and (2) mean the same thing?

OPTIONS:
- no
- yes
A: yes

Please check if these have the same meaning.
It is known from the United States ( from Massachusetts and south Wyoming south to southern Florida and southern Arizona , Michigan , New Mexico ) and Canada .
It is known from the United States ( from Arizona , Michigan , New Mexico and southern Wyoming south to south Massachusetts and southern Florida ) and Canada .
OPTIONS:
- no
- yes
Answer: no

A same meaning or not problem: OPTIONS:
- no
- yes
Pierceville is an unincorporated community in Franklin Township , Ripley County , in the U.S. state of Indiana .
Pierceville is an unlawful community in Franklin Township , Ripley County , in the U.S. state of Indiana .
****
[A]:
yes