Which of the Following Is LEAST Likely to Fall Under

Which of the following is LEAST likely to fall under the legal definition of picketing?

A) a group of striking employees posting messages on a company- only discussion board on the Internet
B) a single striking employee waiving a placard with the intent to secure a sympathetic response from an audience of onlookers
C) a group of striking employees waiving placards with the intent to secure a sympathetic response from an audience of onlookers
D) a group of striking employees having a sit- in on the front steps of the workplace, engaging in discussion about the workplace issues with those who approach
E) all of the above examples fall under the legal definition of picketing