Which sequence of steps leads a conductor to end up with a net charge via induction?

Connect the conductor to the ground, remove the charged object, disconnect the ground.

Connect the conductor to the ground, bring a charged object near, disconnect the ground, remove the charged object.

Bring a charged object near, connect the conductor to the ground, disconnect the ground, remove the charged object.

Bring a charged object near, disconnect the ground, remove the charged object.