by nine o'clock they had quantified matching on almost a dozen words : food .9213 .112 eat .8844 .334 water .9978 .004 drink .7743 .334 { affirmation } yes .6654 .441 { negation } no .8883 .220 come .5459 .440 go .5378 .404 sound complex : ? away .5444 .363 sound complex : ? here .6344 .344 sound complex : ? anger ? bad .4232 .477 ross stepped away from the computer .