Assertion: mark | /r/HasProperty | involved in the season
Facets:
value: on the way to boise
type: LOCATION
Source sentences:
text: In the season 8 finale, Mark, Lexie, Derek, Meredith, Cristina, and Arizona are involved in an aviation accident while on the way to Boise, Idaho to perform surgery on conjoined twins, crushing Lexie under debris.