The conversation between human and AI assistant.
[|Human|] Based on this passage, please extract the names of the countries where TSMC has semiconductor fabrication (or "fab") facilities and separate them by commas.
[|AI|] Taiwan, China, United States, Singapore
[|Human|] 
Based on this passage, please extract the names of the countries where TSMC has semiconductor fabrication (or "fab") facilities and separate them by commas.