Now Playing: News headlines today: Jan. 27, 2020

Now Playing: Student surprises teacher with his college acceptance news

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Now Playing: This STEM teacher gets the surprise of a lifetime on ‘GMA’

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Now Playing: Yelp releases its top destinations for food lovers in 2020

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Now Playing: Deacon the Goldendoodle is ‘GMA’ Pet of the Week

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Now Playing: Girl Scout remixes Lizzo song to sell cookies

Now Playing: Hilarious yellow lab is so eager to get treats during his sister’s ‘sit’ lessons

Now Playing: Color and controversy abound in art of creative dog grooming

Now Playing: Girl Scout uses YouTube cover of Lizzo’s ‘Truth Hurts’ to sell cookies

Now Playing: Paula Faris opens up about whirlwind year

Now Playing: This father-and-son duo helps homeless people one meal at a time

Now Playing: Burning off that winter weight