question: public Set < String > addContent ( MultivariateDistribution distrib ) { if ( ! paused ) { curState . addToState ( distrib ) ; return update ( ) ; } else { log . info ( "system is paused, ignoring content " + distrib ) ; return Collections . emptySet ( ) ; } }
target:  Adds the content (expressed as a multivariate distribution over variables) to the current dialogue state, and subsequently updates the dialogue state.