《辽史·本纪·卷二》
有紫黑之气遮蔽天空，过了一整天才散去。
有紫黑气蔽天，逾日乃散。
Purple and black qi shrouded the sky, and it only dissipated after a whole day.
<s>[INST] From the Classical Chinese script: 有紫黑气蔽天，逾日乃散。, document the translation approach to render an English version. [/INST]
Initial step: The sentence has a subject 有 (to have) and a verb 散 (to disperse), it's a simple sentence in structure. 
Following steps:
1. Identify the subject and verb, the subject is 紫黑气 (purple and black qi), and the verb is 散 (to disperse).
2. Determine the tense, the sentence is in the present tense.
3. Translate the subject and verb into English, the subject is "Purple and black qi", and the verb is "shrouded".
4. Add additional information to make the sentence complete, "the sky" is the object of the verb "shrouded", and "it only dissipated after a whole day" is the adverbial of time.
English rendition: Purple and black qi shrouded the sky, and it only dissipated after a whole day.</s>
From the Classical Chinese script: 有紫黑气蔽天，逾日乃散。, document the translation approach to render an English version.
user
Initial step: The sentence has a subject 有 (to have) and a verb 散 (to disperse), it's a simple sentence in structure. 
Following steps:
1. Identify the subject and verb, the subject is 紫黑气 (purple and black qi), and the verb is 散 (to disperse).
2. Determine the tense, the sentence is in the present tense.
3. Translate the subject and verb into English, the subject is "Purple and black qi", and the verb is "shrouded".
4. Add additional information to make the sentence complete, "the sky" is the object of the verb "shrouded", and "it only dissipated after a whole day" is the adverbial of time.
English rendition: Purple and black qi shrouded the sky, and it only dissipated after a whole day.
assistant