Table 2. Details of the MAMS dataset.

	Dataset	Positive	Negative	Neutral	Total
ATSA	Train	3,380	2,764	5,042	11,186
	Train (small)	1,089	892	1,627	3,608
	Validation	403	325	604	1,332
	Test	400	329	607	1,336
ACSA	Train	1,929	2,084	3,077	7,090
	Train (small)	1,000	1,100	1,613	3,713
	Validation	241	259	388	888
	Test	245	263	393	901