TheymustenterintocloseliaisonwiththedetachmentsofColpinnoandKrasnoyeSelo,andalsowiththeStaffoftheCommanderinChieffortheDefenceofPetrograd.

Please segment the words:
They must enter into close liaison with the detachments of Colpinno and Krasnoye Selo, and also with the Staff of the Commander in Chief for the Defence of Petrograd.