Problem: (1) This radioactive heavier isotope can be new ( stable or unstable ) depending on the chemical element involved .
(2) This heavier radioactive isotope may be new depending on the chemical element ( stable or unstable ) .

Do (1) and (2) mean the same thing?
A: yes

Problem: (1) In 1997 , Sandy Lam , Teresa Carpio , Prudence Liew and Qi Yu released a cover of the song , along with What A Wonderful World
(2) In 1997 , Sandy Lam , Qi Yu , Prudence Liew , and Teresa Carpio published a cover of the song , together with What A Wonderful World

Do (1) and (2) mean the same thing?
A: yes

Problem: (1) Satanic ) murders are committed in Uganda , the USA , Mexico ( Adolfo Constanzo case ) , Brazil ( See Toa Payoh ritual murders ) and Singapore .
(2) In Uganda , the USA , Mexico ( Adolfo Constanzo case ) , Brazil ( see Toa Payoh Ritual Murder ) and Singapore are committed murders .

Do (1) and (2) mean the same thing?
A: yes

Problem: (1) The sender of an original message shared the decoding technique needed to recover the encrypted information only with intended recipients , thereby preventing unwanted persons from doing the same thing .
(2) The originator of an encrypted message shared the decoding technique needed to recover the original information only with intended recipients , thereby precluding unwanted persons from doing the same .

Do (1) and (2) mean the same thing?
A:
no