Gre writing prompt

The argument that .. may seem logical at first glance.
However, the coclusion relies on...

First, the writer assuemes that...
Suppose, for example, ....
In fact, the writer makes no useful correlation between...

Additionally, the writer provides no evidence ....
The argument implies...
If this is the case, ...
The argument's conclusion requires the support of evidence demonstrating...

The notion... would be strengthened if he provided the evidence of...

In conclusion, the writer must defind the scope more clearly and submit more conclusive evidence ....