A same meaning or not problem:
His son Ii Naomasa was adopted by Naotora and became under Tokugawa Ieyasu a dreaded general , who is considered one of his four watchmen .
His son Tokugawa Ieyasu was adopted by Naotora and became under Ii Naomasa a dreaded general , who is considered one of his four guards .
****
[A]: no

A same meaning or not problem:
He was also trained at the Academy of Art in Zurich , where he and others learned musically to use the computer for composing music .
He was musically trained at the Art Academy in Zurich , where he and others also learned to use the computer for composing music .
****
[A]: no

A same meaning or not problem:
The first settlers were Dr. Henry Clay Fish , Richard P. Dobbs and James G. Christian , who all came to Illinois from Missouri .
The first settlers were Dr. Henry Clay Fish , Richard Dobbs and James G. Christian , all coming from Illinois to Missouri .
****
[A]: no

A same meaning or not problem:
Sigmatel was later sold to Freescale Semiconductor .
Later on , Freescale Semiconductor was sold to Sigmatel .
****
[A]:
no