Problem: (1) On 16 January 2018 , Frontier Airlines announced a codeshare agreement with the American low-cost carrier Volaris .
(2) On January 16 , 2018 , Volaris announced a codeshare agreement with American low-cost carrier Frontier Airlines .

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

Problem: (1) In the early years , KETS was associated with PBS , the forerunner of the current National Educational Television .
(2) In the early years , KETS was associated with PBS , the forerunner of current national educational television .

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

Problem: (1) The central core of the Ministry of Defence was the new Defence Office .
(2) The central core of the new Ministry of Defence was the central Defence Office .

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

Problem: (1) It is part of the Sioux City , IA -- NE - SD Metropolitan Statistical Area .
(2) It is part of the Sioux City , IA -- NE -- SD Metropolitan Statistical Area .

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