(1) African stone tool technologies are divided into the modes outlined by Lawrence Barham and Peter Mitchell in 1969 , and proposed by Grahame Clark as follows :
(2) African stone tool technologies are divided into modes as proposed by Grahame Clark in 1969 and outlined by Lawrence Barham and Peter Mitchell as follows :

Do these two sentences mean the same thing?

OPTIONS:
(1). no.
(2). yes.
(1).