anchor: He then testified that the increase in non-household originated mail reflects the importance of mail as an input in the production of goods and services in the economy, with mail volume being associated importantly with growth in output of goods and services in the economy and in demands for communication in production.
positive: He testified as to the effect of non-household originated mail as a reflection of the importance of mail.
negative: He refused to make a statement as to the effect of non-household originated mail as a reflection of the importance of mail.