Why add two sentences in prepare_features?

[zqiang]

[zqiang]

https://github.com/princeton-nlp/SimCSE/blob/main/train.py#L419C13-L419C13
If add sent0 and sent1 together, then max_length=32 will produce more truncation in the following sentences.

[Tianyu Gao]

Hi, here examples[sent0_cname] and examples[sent1_cname] are both lists, so it is a concatenation of two lists instead of two strings.

[zqiang]

Hi, here examples[sent0_cname] and examples[sent1_cname] are both lists, so it is a concatenation of two lists instead of two strings.

Get~ Thank you~