Please let me know which the sample

Please let me know which the sample do you need ? You can choose in catalog as the attachment.
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ผลลัพธ์ (อังกฤษ) 1:

Please let me know which the sample do you need ? You can choose in catalog as the attachment.Please tell me that you want to preview what.

ผลลัพธ์ (อังกฤษ) 2:

Please let me know which the sample do you need? You can choose in catalog as the attachment.
Please tell me which one you want to sample.

ผลลัพธ์ (อังกฤษ) 3:

Please let me know which the sample do you need? You can choose in catalog as the attachment.Please tell me what you want, for example one.