3 sentences

1. 那个组织被政府定性为邪教。

   nà gè zǔ​zhī bèi zhèng​fǔ dìng​xìng wéi xié​jiào.

   The organization was labeled as a cult by the government.

   Source: Dong Chinese Dictionary

2. 警方目前还没能对该起事故进行定性。

   jǐng​fāng mù​qián hái méi néng duì gāi qǐ shì​gù jìn​xíng dìng​xìng.

   The police have not yet been able to determine the nature of the accident.

   Source: Dong Chinese Dictionary

3. 化学实验的第一步通常是定性分析。

   huà​xué shí​yàn de dì​yī bù tōng​cháng shì dìng​xìng fēn​xī.

   The first step in a chemical experiment is usually qualitative analysis.

   Source: Dong Chinese Dictionary