which of the following statements regarding natural language processing $($NLP$)$ is true: a$.$ AI programs use it to enable machines to converse with humans, b$.$ can be used to commuincate more effectively with one another and provide massive amounts of data that other machines can use, c$.$ it can adopt to change conditions and learn how to perform additional tasks, or d$.$ it refers to large and growing collection of everyday objects that connect to the internet and one another