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Can you predict the future?
Predicting the future is not the type of predicting we are talking about here! We predict things all the time depending on the "input".
For instance, if we 'see' grey clouds, we can predict rain.
When you are given certain inputs (e.g. x = 1 and y = 2) are you able to predict what the value of z would be, if z = x + y?