Rate the following argument fragment on its writing, argument, and language skills:
Evidence: In the passage is says, "...but so far, Google cars aren't truly driverless; they still alert the driver to take over when pulling in and out of driveways or dealing with complicated traffic issues". This means that things are not perfect and still require a driver behind the wheel. If everything worked perfect, the driverless cars would be the best drivers on the roads today due to their inceaced accuracy and speed at which they can make decisions.

Score: 2