a winter storm in December 2017
... that a winter storm in December 2017 cancelled an attempt at the world's largest snowball fight at Six Flags Great Adventure in New Jersey?
... that <b id="mwKw"><a href="./December_2017_North_American_winter_storm" id="mwLA" rel="mw:WikiLink" title="December 2017 North American winter storm">a winter storm in December<span id="mwLQ" typeof="mw:Entity"> </span>2017</a></b> cancelled an attempt at the world's largest snowball fight at <a href="./Six_Flags_Great_Adventure" id="mwLg" rel="mw:WikiLink" title="Six Flags Great Adventure">Six Flags Great Adventure</a> in <a href="./New_Jersey" id="mwLw" rel="mw:WikiLink" title="New Jersey">New Jersey</a>?