Okay so everyone seems to think the 2 people walking in the distance are Christa and Omid. Clearly they are not.
Here is what the game shows you:
We see 2 silhouettes, one tall slim person and behind that person 1 smaller fat person. Now you might think the "fat" person might be Christa with her pregnant belly but if you paid any attention whatsoever you would notice that christa is far taller than Omid:
That's why the 2 people in the end can not be Christa and Omid.