Problem: (1) Groups of eastern lowland gorillas are usually larger than those of western gorillas .
(2) Groups of western lowland gorillas are usually larger than those of the eastern gorillas .

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

Problem: (1) The first music video for the album filmed and edited for the song 'Trust You ' was made by Pierre Bouvier-Patron of Friends Studio , London .
(2) The first music video for the album , filmed and edited for the song 'Trust You ' , was made by Pierre Bouvier-Patron of Friends Studio , London .

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

Problem: (1) The Bazga River is a tributary of the River Bohotin in Romania .
(2) The Bohotin River is a tributary of the River Bazga in Romania .

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

Problem: (1) It was written and produced by Bowie and produced by David Richards .
(2) It was written by David Richards , produced by him and Bowie .

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