<http://schema.org/text>
"bro... when 2 people meets, it's [b]mutual learning[/b]... if it's 3, then should be[b] triplex learning[/b]... juzt my thought..."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.photoblog.com/leocheung/2008/09/16/a-group-of-three/>