Same meaning?
Prior to the unification of South Yemen in 1990 , the law set the minimum age of marriage at 16 in Yemen and 15 in the north .
Before the unification of Yemen in 1990 , the law set the minimum age of marriage at 16 in South Yemen and 15 in the north .

Answer: no

Same meaning?
The plant is native to northern Oregon and into southern California .
The plant is native to northern Oregon and southern California .

Answer: yes

Same meaning?
Cobian Backup is a free , written backup software for Microsoft Windows , supported by Luis Cobian of Umea University in Delphi .
Cobian Backup was a free , donation-supported backup software for Microsoft Windows . It is written in Delphi by Luis Cobian of Umea University .

Answer: no

Same meaning?
Previously , this requirement was required only for third perpetrators and permitted for second offenders , and then for a three-year period .
Previously , this requirement was only required for third offenders and permitted for second offenders , and then for a three-year period .

Answer:
yes