stepchildren living abroad for education in 2019
My stepchildren (20 and 18) living aboard for education at her grand mother's place
1) for education (full time undergrad).
2) a) 20 year old stayed there for 10 months (Jan to May and August to December)
2) b) 18 year old stayed there for 5 months (August to December)
3) I paid for their expenses/stay / school fee
4) Did not work or earned any money
What do I answer for
"How many months did "my child"live with me in 2019? for each of them
Please let me know