но последний тренинг был интересный

но последний тренинг был интересный, хотя и не имел ко мне никакого отношения, я просто присутствовала и как нейтральная сторона, приняла участие.

Результаты (английский) 1:

but the last training was interesting, but didn't have any relation to me, I just attended and as a neutral party, took part.

Результаты (английский) 2:

but the last training was interesting though and did not have to do with me, I just attended and as a neutral party, took part.

Результаты (английский) 3:

But the last training was interesting, although not had nothing to do with me, I just attended and as a neutral party, took part.