Mark response timer based the first of multiple actions?

[LawesD]

Hello everyone.

So I'd like to mark the response timer triggered only on the first of a few actions that could be made. This is for jobs that have been automatically logged so I don't want to include automated processes as a marker, only manual ones to show an actual human has looked at it. 

Can multiple wait-for nodes be active at once?

Is there a way to do a parallel process that can continue on without waiting at the yellow bar for all nodes to be completed? effectively cancel off the others once one has been triggered?

Let's say I had a parallel pathway for each of these with a response marker after each:
   [Wait for update]
   [Wait for email]
   [wait for new owner]

Or is there a better way to do this, I'm all ears. 
Thanks in advance.