IMA...

 Have different people stand up and say “I’m in/at a _____________, so I must be a _____________. This will make it obvious that just because we live in America, we aren’t automatically Christians.

Number of Characters:
As many as you like! Examples are as follows to fill in the blanks:
garage, car; Nebraska, cornhusker; football field, football player; barn, chicken;
White House, president; microphone, singer; watch, time; zoo, monkey; church,
Christian; FCA Camp, Christian

Read 1 John 5:11.