In Japan it was discovered first and the name was given .
In Japan it was first given on and the name was discovered .

Are these two sentences paraphrases of each other?
no

The music was scored by Shankar Jaikishan and songs are sung by Kishore Kumar for Rajesh Khanna .
The music was recorded by Shankar Jaikishan and the songs are sung by Kishore Kumar for Rajesh Khanna .

Are these two sentences paraphrases of each other?
yes

A primitive ring is left commutative if and only if it is a field .
A primitive ring is left commutative only if it is a field .

Are these two sentences paraphrases of each other?
yes

Jerry won Best Actor at the Los Angeles Method Fest Film Festival for his role as DeWees in '' Mud Season '' .
For his role as DeWees in '' Mud Season '' Jerry Jerry won Best Actor at the Los Angeles Method Festival Film Festival .

Are these two sentences paraphrases of each other?
yes