Which of the Following Is Incorrect About the LogCat Tool

Multiple Choice

Which of the following is incorrect about the LogCat tool?

A) LogCat UI tool is available inside Android Studio.
B) You can create a log in your application using Log.v(String, String)
C) Each log message has a tag
D) Only one of your applications can create log entries, and it should be component class (Activity,Service,...etc)