can I delete sombody out of a iMessage group( I'm moderator)

I've started a iMessage group, but I didn't know how to delete sombody out of a group. so that is why I'm asking that now. Can sombody help me.

i've all ready make a new group without the persons who didn't want to be in that group. but i want to know how I can delete someone. I hope if nobody have a answer there is a update what will be solve this problem.

Sorry if my English isn't correct. that's because I'm a Netherlander (Dutchlander, somebody out of the Netherlands.) and I just 14 y/o (years old)