{"summary":
"Lunch
@
crater
lake
lodge",
"transaction":
{
"amount":
63.0,
"attendees":
[
"Xingyun27221@gmail.com",
"ycled2012@gmail.com",
"Chbeiyou@gmail.com",
"zhangdi@umich.edu"
],
"paidby":
[
"zhangdi@umich.edu"
]
}
}