Problem: (1) Regressive assimilations are caused only by semantic factors , while substitutions take phonological information into account .
(2) Regressive assimilations are caused only by phonological factors , while substitutions take semantic information into account .

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

Problem: (1) A composite image filter is an electronic filter consisting of multiple image filter sections of two or more different types .
(2) A multi-image filter is an electronic filter consisting of composite image filter sections of two or more different types .

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

Problem: (1) The process waste water remains hazardous waste Saltcrete is a mixed radioactive waste .
(2) The process waste water remains hazardous waste Saltcrete is radioactive waste .

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

Problem: (1) The United States Australian Football League is an Australian rules football competition in the Eastern United States of America and a division of the Eastern Australian Football League .
(2) The United States Australian Football League is an Australian football competition rule in the eastern United States of America and a division of the Eastern Australian Football League .

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