I am on the train./
I am on the train. I am/
on the train I’m on.
OR
I am on the train./
I’m training on the train. I’m/
on the train I’m on.
I am on the train./
I am on the train. I am/
on the train I’m on.
OR
I am on the train./
I’m training on the train. I’m/
on the train I’m on.