Problem: (1) They speak the language of Chuvash and have some pre-Christian traditions , and many people also use the Russian language in addition to Chuvash .
(2) They speak the Russian language and have some pre-Christian traditions . In addition to Chuvash , many people also use the Chuvash language .

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

Problem: (1) Local intradermal injection of botulinum toxin is helpful and chronic painful in focal neuropathies .
(2) Local intradermal injection of botulinum toxin is helpful and chronic for focal neuropathies painful .

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

Problem: (1) The locomotives were delivered from Neilson , Reid and Company and ordered in 1903 .
(2) The locomotives were ordered from Neilson , Reid and Company and were delivered in 1903 .

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

Problem: (1) No text strings are visible within the viral code in infected EXE files , but the following text strings are encrypted within the initial copy of the ABC virus :
(2) In the infected EXE files , no text strings are visible within the starting code , but the following text strings are encrypted within the virus copy of the ABC virus :

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