In summary, the conclusion reached in this argument is invalid and misleading.

　　In conclusion, the arguer fails to establish a causal relationship between …To strengthen the argument, the arguer would have to provide evidence that …To better evaluate the argument, we would need more information about …As it stands, the argument is not well reasoned. To make it logically acceptable, the arguer would have to demonstrate that … is the only condition that …Additionally, the arguer must provide evidence to rule out other possible causes of the …To conclude, this argument is not persuasive as it stands.