Question: True Link Financial, Inc. is a San Francisco, California based financial services firm that offers investment accounts and debit cards customized for seniors, Notable investors includes Alexis Kerry Ohanian, an American Internet entrepreneur and investor, who is co-founder and executive chairman of which social news website ?
Sentence (from "Alexis Ohanian"): Ohanian is based in San Francisco, and was a partner at Y Combinator.
Relevant evidence: No