Read the text and determine if the sentence is true:

Objective-C is a general-purpose, object-oriented programming language that adds Smalltalk-style messaging to the C programming language. It was the main programming language used by Apple for the OS X and iOS operating systems, and their respective application programming interfaces (APIs) Cocoa and Cocoa Touch prior to the introduction of Swift.

Sentence: Objective-C is a general-purpose, object-oriented programming language that adds Smalltalk-style messaging to the C programming language which is loved
It's impossible to say