84.06748	85.43201	alert
47.81143	48.74023	drawer
84.72212	87.07423	keyboard
24.04368	25.01919	keys
47.56181	48.32335	knock
88.63364	89.51119	laughter
69.68181	71.49306	mouse
17.32064	18.48798	pageturn
36.10001	36.58346	pendrop
50.58778	52.59630	speech
55.14132	55.46989	switch