Which of the following statements about the Gradient Descent Algorithm in Deep Learning is false?

Which of the following statements about the Gradient Descent Algorithm in Deep Learning is false?

The gradient Descent algorithm is applied in the backpropagation processing to make one step toward a minimal point.

Gradient Descent Algorithm identifies the solution to minimize the loss functions.

Given a number of iterations, gradient descent algorithms can find the global optimal models that fit data.

Learning rate helps to determine the gradient decent step size.