Which of the following best describes the technical definition of Machine Learning?

A. An approach to using increasing levels of intelligence to solve greater cognitive needs from unintelligent automation to autonomous business process.

B. A computer program is said to learn from experience E with respect to some class of tasks T and performance measure P if its performance at tasks in T, as measured by P, improves with experience E.

C. The application of pre-defined rules and algorithms to solve complex problems.

D. The use of computing technology to enable machines to gain cognitive intelligence.