2 sentences

1. 老人的善后事宜由他的子女共同负责。

   lǎo​rén de shàn​hòu shì​yí yóu tā de zǐ​nǚ gòng​tóng fù​zé.

   The funeral arrangements for the elderly man are the joint responsibility of his children.

   Source: Dong Chinese Dictionary

2. 事故发生后，有关部门正积极做好善后工作。

   shì​gù fā​shēng hòu, yǒu​guān bù​mén zhèng jī​jí zuò hǎo shàn​hòu gōng​zuò.

   After the accident, the relevant departments are actively handling the aftermath.

   Source: Dong Chinese Dictionary