acoustic piano subgroup of piano, 9 assertions
CapableOf 1
produce sound 0.25
HasA 4
string 0.61
88 keys 0.49
protective wooden case 0.47
3 pedals 0.46
HasProperty 2
loud 0.40
expensive 0.29
ReceivesAction 2
tuned 0.83
played 0.25