 The premise is a “donkey sentence” with most, and it is notoriously hard to pin down the exact truth conditions of these. In fact, several readings are  possible.[40]  In spite of this, speakers seem to have no problem making this inference, apparently since most is right increasing (the VP argument speak it at home is extended to speak it at home or at work), regardless of what the subject noun phrase (the same in both sentences) exactly means.