According to anthropologists, the use of human language covers a wide spectrum from practical communication between people engaged in the same task to establishing hierarchy within a social group.

1]practical communication between people engaged in the same task to establishing hierarchy
2]communicating practically between people engaging in the same task to the establishment of hierarchy
3]practical communication between people engaged in the same task to the establishing of hierarchy
4]communicating practically between people engaging in the same task to hierarchy established
5]practical communication between people engaged in the same task to the establishment of hierarchy

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