A same meaning or not problem: OPTIONS:
- no
- yes
This site was excavated in 1921 by Johan Gunnar Andersson and discovered in 1921 and produced two human teeth .
This site was first discovered by Johan Gunnar Andersson in 1921 and was first excavated in 1921 , and produced two human teeth .
****
[A]: no

Same meaning?
The static component is the entire soil resistance minus the dynamic component .
The dynamic component is the total resistance of the soil minus the static component .

OPTIONS:
- no
- yes

Answer: no

Problem: S1: He was then traded for the Detroit Tigers for Matt Drews and Joe Randa through the Arizona Diamondbacks with Travis Fryman .
S2: He was then traded by the Arizona Diamondbacks with Travis Fryman to the Detroit Tigers for Matt Drews and Joe Randa .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: (1) Microscopically , the quantum mechanical polarization arises from optical transitions between different states of the material system .
(2) Microscopically , the optical polarization originates from quantum mechanical transitions between different states of the material system .

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

OPTIONS:
- no
- yes
A: no

Please check if these have the same meaning.
The fortress was besieged again from 22 December 1813 until 14 April 1814 by Bavarian troops under the command of General Zoller before the French garrison surrendered .
From 22 December 1813 to 14 April 1814 , the fortress was once again besieged by Bavarian troops under the command of General Zoller , before the French garrison capitulated .
OPTIONS:
- no
- yes
Answer: yes

A same meaning or not problem: OPTIONS:
- no
- yes
Eurosta is a genus of the family Tephritidae , known as fruit flies in North America and Picture wing flies in Europe .
Eurosta is a species of the Tephritidae family , known in North America as fruit flies and wing flies in Europe .
****
[A]:
no