Question:Suppose Screen1 is the main screen of an Android application MyAndroid. Now if another screen, Screen2 has to be opened from Screen1, then which of the following are true? 

A Screen2 has to be a part of MyAndroid. 

B Screen2 can exist in any other Android application installed on the device. 

C Screen2 will always be launched asynchronously. 

D Screen2 can be launched synchronously. 

E Screen2 can return a result code to Screen1 if launched with startActivity. 

F Screen2 can return a result code to Screen1 if launched with startActivityForResult. 

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