firm mattress subgroup of mattress, 13 assertions
CapableOf 3
provide support 0.46
put much pressure 0.34
create pressure points 0.25
Causes 1
pain 0.16
HasA 1
less give 0.25
HasProperty 4
suitable 0.59
perfect 0.56
hard 0.31
uncomfortable 0.22
IsA 1
the way 0.67
MadeOf 1
innerspring 0.31
ReceivesAction 2
recommended for back sl… 0.28
ideal for stomach sleep… 0.16