A same meaning or not problem: OPTIONS:
- no
- yes
The T helper cells also activate B cells , which are then in the presence of these antigens , causing the production of autoantibodies .
The T helper cells then activate the B cells , which are also in the presence of these antigens , causing the production of autoantibodies .
****
[A]: no

Same meaning?
On 31 August 1819 , Wollstonecraft met in Sydney on board the ship '' Grenada '' .
Wollstonecraft arrived in Grenada on board the ship '' Sydney '' on 31 August 1819 .

OPTIONS:
- no
- yes

Answer: no

Problem: S1: She is a practicing joiner in Otisfield , Maine and a member of the Oxford Advent Christian Church , an evangelical church in Oxford .
S2: Hamper is a practicing carpenter in Otisfield , Maine and a member of the Oxford Advent Christian Church , an evangelical church in Oxford .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: (1) Neptunea alexeyevi is a species of sea snail , a true gastropod mollusk in the family Buccinidae , the marine whelks .
(2) Neptunea alexeyevi is a sea snail species , a true gastropod mollusk in the Buccinidae family , the whelks marine .

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

OPTIONS:
- no
- yes
A: yes

Please check if these have the same meaning.
After May 4 , 2012 , Gordon M. Snow was replaced by Michael S. Welch and then Joseph M. Demarest with a limited formal announcement .
After May 4 , 2012 , Gordon M. Snow was replaced by Joseph M. Demarest and then Michael S. Welch with limited formal announcement .
OPTIONS:
- no
- yes
Answer: no

A same meaning or not problem: OPTIONS:
- no
- yes
First B side '' Road Hog '' was written by Faulkner and second B side '' Wait for the Sun '' by Brad Shepherd .
The first B page '' Road Hog '' was written by Brad Shepherd and the second B side '' Wait for the Sun '' by Faulkner .
****
[A]:
no