Under the FAA rules you cannot log time as safety pilot as well, you can only log PIC time when you are the sole manipulator of the controls and in command. Under FAA you can log PIC receiving dual instruction once you're licensed, however only when you're actually doing flight training, not when you're just flying around with an instructor (who also logs PIC). It's all common sense really, you know it yourself where you flying yourself (and signed for the aircraft) or not?
Just be honest.