A derivation just means starting from some non terminal, follow the rules to derive a sequence of terminals.

Final warning. Manual override failed.

End Color

We still have object.

The rocket was huge.

Outside.

We can pick the first one again.

So each rule has the form like this where on the left side there's a non terminal.

And your typical context free grammar is just a set of rewrite rules with a nonterminal symbol on the left, an arrow, and then some terminals and nonterminals on the right.

Whwhat do youean, anchor ?

So the device...

It can be 1 non terminal like here.

Let's pick students.

We can pick any one of those choices.

We have discrete data elements we don't have a time function on them.

Guidance system out.

Weapons? The targeting array's fried.

The guidance protocols...

It's a Cylon device.

Blow the dampeners!

These are our observation machines.

You'll be in the link at the end.

It's a tracking device. Nothing fancy, you just buy it over the counter.

Ultrasonic Bath

These goddamn things returned.

The flux capacitor.

The restraints are off!

It's a microwave emitter.

Do you know what kind of machines they are?

Uh,machine's in here.

My Gibbs early warning alarm system.

unexpected end

What's special about the terminals is they never appear on the left side of a rule.

Is it a program that stores and retrieves data?

I should clarify that.

And here's what we developed.

The machine itself would start the music.

The flux capacitor.

Aha. Excuse me, would you happen to have a space travel machine?

I can't give you a fuel injection.

A T14 hyperdrive generator.

Neurolytic restraints.

We're in need of Commander Tucker's skills.

Stand by to deploy the grappler.

The weapon itself is...