input: Even usefullooking applications may turn out to be worthless or even malicious and so you have to be careful
fixed: Even useful-looking applications may turn out to be worthless or even malicious, and so you have to be careful.

input: It contains the first proper definition of a differentiable manifold
fixed: It contains the first proper definition of a differentiable manifold .

input: What are the eight dynamics
fixed: What are the eight dynamics?

input: Free Rider 2 Track Falling from the Sky Auto
fixed:
Free Rider 2 Track - Falling from the Sky Auto