shows mutual activity between this place and the first place of the current bridi; members participating in the activity are put into the first place (that e.g. can be formed by connecting sumti with {ce} or {jo'u})
pro-sumti and sumyzmico: an elliptical/unspecified value which does not necessarily obey the default setting for the corresponding terbri that is explicitly specified in the definition of the word; has some value which makes bridi true
shows mutual activity between this place and the first place of the current bridi; members participating in the activity are put into the first place (that e.g. can be formed by connecting sumti with {ce} or {jo'u})