Are these paraphrases?
John Scott won Australia 's first sailing medal at the 1956 Olympic Games in Melbourne when he and Rolly Tasker won a silver medal in their 12 m Sharpie .
Rolly Tasker won Australia 's first sail medal at the Melbourne Olympic Games in 1956 , when he and John Scott won a silver medal in their 12 m sharp .

Available choices: -no. -yes.
no