Set Files :

Note: Strategy 3 is Higher risk.

1, 2 and 4 are more safer 

Update 1.2 Set File 

Test and pick which is suitable for you. 

News filter Should be Set on your MT4 platform:

Click Tools, Options, Expert Advisors and then Allow Web Request for listed URL: Copy and Paste (https://nfs.faireconomy.media/ff_calendar_thisweek.xml)