SRL for [co - speciated]: Thus , the simian foamy viruses may have [co - speciated] with Old World primates for at least 30 million years .
ARG-M-DIS: Thus | ARG-1: the simian foamy viruses | ARG-M-MOD: may | ARG-3: with Old World primates | ARG-M-TMP: for at least 30 million years