In 1987 , Fallahian was appointed Chief Prosecutor by Ruhollah Khomeini of the Special Court for the Clergy , and led the trial of Mehdi Hashemi .
Ruhollah Khomeini was appointed Chief Public Prosecutor of the Special Court for the Clergy in 1987 by Fallahian and led the trial of Mehdi Hashemi .

Are these two sentences paraphrases of each other?
Available options: a). no. b). yes.
a).