test@It was written in the announcement for the event that everyone should bring

Question

It was written in the announcement for the event that everyone should bring an umbrella with …to the camp.

1) themselves   2) himself   3) herself     4) them

تاجایی که من توی گرامر اینیوز خوندم با bring\take sth with حروف him و her و......میاد نه از اینها از طرفی every  مفرد نیست؟ 

توضیح لطفا !

Answer 1

گزینه 4.

2و 3 نمی شه چون نباید از جنسیت حرف بزنیم. 1 هم طبیعی نیست.