It isn't so hard to predict that at this point. Look at the point gap above all else. It is 13 points now.

Arsenal have already given up on their target obviously. The recent injuries hit them very hard. They can't even score a goal for 2 weeks. This is very serious. 

Arteta desperately tries to defend his team on the 0-0 draw against Forest. He says Liverpool collected less amount of points against them compared to Arsenal. He says this shows who is better. But deep down he also knows Liverpool are the best by far now.