16 April 1984 -- became adult contemporary WCGY , music of the 1960s and 1970s with 25 % current music .
April 16 , 1984 - became adult current WCGY , 1960s ' and 1970s ' music with 25 % contemporary music .

Are these two sentences paraphrases of each other?
no

The transcontinental ferry ran to 42nd Street and for short time was a component of the main Lincoln Highway .
The transcontinental ferry ran to 42nd Street and was a part of the main Lincoln Highway for a short time .

Are these two sentences paraphrases of each other?
yes

The problem of testing whether a given polynomial is a permutation polynomial through a finite field can be resolved in polynomial time .
The problem of testing whether a given polynomial is a permutation polynomial over a polynomial field can be resolved in time .

Are these two sentences paraphrases of each other?
no

In Finnmark he completed some of the paintings he had outlined on his Stockholm tour in 1832 .
In Finnmark , he completed several of the paintings he had outlined on his 1832 Stockholm tour .

Are these two sentences paraphrases of each other?
yes