digital piano subgroup of piano, 21 assertions
CapableOf 6
sound good 0.62
look real acoustic piano 0.46
run 0.36
switch the sound 0.31
cost 600-$2000 0.25
produce sound 0.25
HasA 3
88 keys 0.38
speaker 0.35
lid 0.25
HasProperty 6
portable 0.61
great 0.59
affordable 0.42
perfect 0.40
lighter 0.35
reliable 0.16
IsA 1
electronic musical inst… 0.25
ReceivesAction 5
tuned 0.63
developed with technolo… 0.44
easy to use 0.41
used with headphone 0.31
played 0.25