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In this paper, we consider an unusual connection between different fluids.Having established a research goal we would like to consider a toy model of theUniverse and investigate its behavior, especially for later time evolution forwell known facts. The main goal of the article is to consider a toy model ofthe Universe with generalized ghost dark energy, Van der Waals gas and aphenomenologically modified fluid. The origin of the last component can beunderstood as a result of interaction between some original fluid and somesource of energy or matter in Universe. By unusual connection we mean anassumption that generalized ghost dark energy has its contribution to the modelby an interaction term $Q$ and we suppose an interaction of the form$Q=3Hb(\rho_{\small{tot}}-\rho_{GDe})$. Graphical analysis is performed and thequestions of validity of the generalized second law of thermodynamics andstability of the model also approached in this paper.

A Universe with a generalized ghost dark energy and Van der Waals fluid interacting with a fluid