During CNN’s Democratic debate Thursday, Sen. Bernie Sanders (I-VT) struggled to name a decision that Hillary Clinton has made based on donations from Wall Street.

Moderator Dana Bash asked Sanders to expand upon a common line from his speeches that Clinton has gotten donations and speaking fees from Wall Street executives, implying that she would make political decisions based on that.

Instead of pointing to a specific instance of Clinton’s being compromised by receiving financial services industry money, Sanders spoke broadly of the industry’s influence.

“The obvious decision is when the greed and recklessness and illegal behavior of Wall Street brought this country into the worst economic downturn since the Great Depression of the ’30s, when millions of people lost their jobs, homes and life savings, the obvious response to that is you’ve got a bunch of fraudulent operators, and that they have got to be broken up. Now, Secretary Clinton was busy giving speeches to Goldman Sachs for $250,000 a speech”

Clinton responded to Sanders’ point by stating that Sanders could not come up with an example.

“Well, as you can tell, Dana, he cannot come up with any example, because there is no example,” Clinton said. “And it is — it is important — it is important — it’s always important — it may be inconvenient, but it’s always important to get the facts straight.”