Option 3, you call the police and they nvestigate you for wrong thinking and a hate crime.
Option 3... Oh, the San Bernardino option: don’t say anything for fear of being branded a racist.
https://www.dailymail.co.uk/news/article-3344736/Neighbors-Saudi-husband-wife-San-Bernardino-shooters-noticed-acting-suspiciously-did-NOT-report-fear-racial-profiling.html