Она убедила начальника в том, что с

Она убедила начальника в том, что с четырех до пяти будет работать над своим проектом и ей не удается пойти на общее собрание.

Results (English) 1:

She convinced the Chief of that from four to five, will work on your project and it cannot go to the general meeting.

Results (English) 2:

She convinced the chief that from four to five to work on his project and it can not go to the general meeting.

Results (English) 3:

It has convinced the chief of that, with four to five will work on its project and it is not able to go to the General Assembly.