'Oprah's Big Give' contestant Sheg pays for groceries at a supermarket.

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"I think it's necessary for every human being to have the basic needs—food, shelter, healthcare," Sheg says. "I decided to find a supermarket in an impoverished area and buy as many groceries for as many people as possible."

At the supermarket, Sheg announces over the loudspeaker that he will be paying for the groceries of the first 100 people who come to the cashier. While people hesitate at first, the store soon erupts with shoppers rushing to the checkout line.

"It's like winning the lotto," one customer says. "But with food!"