Archaeologists can trace their origins to the builders of the first cities, Harappa and Mohenjodaro, in the Indus valley.
Their origins did not trace back to the builders of the first cities.
mnli hypothesis: Their origins did not trace back to the builders of the first cities. premise: Archaeologists can trace their origins to the builders of the first cities, Harappa and Mohenjodaro, in the Indus valley.