2problems with oxidation-reductio

[arsan]

in A ) process: the I is the gain of electrons
but the other material stay with 2- so it will be Oxidation or Reduction ?

in B process:3V3+ gain electron but what happen with V(s) how can i know how is the Oxidation or the Reduction

thanks.

[arsan]

to Solve the 2 Questions.