It's difficult to find the convergence point of this problem.

All roads converge at this point.

He speculated the result.

I have a headache because I'm lacking sleep.

I have a headache due to lack of sleep.

We should abide by the rules of this club.

He is quick on his feet and always scores the first goal in soccer games.

This car can run at a speed of 100 kilometers per hour.

He measured the size of the room.

He changed gears while driving the car.