Well , Liz was raising the question of  of whether i it 's the number  there 's a relationship between the number of people and the number of overlaps or type of overlaps there ,
Mm - hmm.
and , um  If you had two people meeting in this kind of circumstance then you 'd still have the visuals. You wouldn't have that difference  also that you have in the  say , in Switchboard data. Uh
Mm - hmm. Yeah , I 'm just thinking that 'd be more like a c control condition.