Negro is the resident dog at the Diversified Technical Education Institute of Monterrey Casanare.
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The pooch figured out that the kids give something to the store in exchange for the treat.
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One day, he appeared at the register with a leaf in his mouth.
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From then on, Negro would make it known when he wants a cookie by “paying” for one at the register.
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He purchases his treats daily, but he can only get two a day.
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