<http://schema.org/caption>
"Mason Gentry, a defensive lineman for Plano West Senior High School, signs his letter of intent to play football at SMU in Plano on February 6, 2013."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.sportsdaydfw.com/high-school/footballheadlines/2013/02/06/photos-dallas-area-athletes-sign-letters-of-intent-during-national-signing-day>