frolic.01
frames- [ARGM-LOC Nearby] , [ARG0 six dolphins] [ARGM-MOD will] [rel frolic] [ARGM-LOC in a 1.5 million-gallon saltwater aquarium] .
- Here , in an area smaller than a city block , lay *-5 buried *-6 traces of [ARG0 countless weird creatures] that *T*-4 had [rel frolicked] [ARGM-TMP more than 500 million years ago] -- creatures whose anatomical variety *T*-2 far exceeded what *T*-3 can be found *-1 in all the world 's oceans today .