It supplies operations for working directly with sets and lists (for example, union and intersection).

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The collapse occurred after a Union Pacific train struck the side of a Burlington Northern Santa Fe train at a rail intersection, Walter said.

WSJ: Mo. highway buckles after rail cars hit overpass

At the main intersection of Anaheim and Avalon boulevards a MoneyGram in an ACECash Express check-cashing store competes against a Western Union outpost in a Rite Aid just across the parking lot.

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