First, one must accept the Muslim mind set as to what is expected by the unbeliver as to WARNINGS. A warning is delievered in a manner designed to test the warned if they understand ALLAH'S signs.
A moved item facing Mecca!
A magazine marked with a V or something unknown to person, esp, showing Muslim disgust in indirect manner!
A Christian religious symbol disapearance, moved or broken!
A book open to a particular verse or word!
A unknown physical item left!
A crescent moon shape!
The color green object left or changed!
A door left open and or to face Mecca!
Defacing minor or major of any Christian symbol of the Trinity!
Any writing depicting Jesus as Lord!