What kind of competitions would you like on r/legotechnic? Would you take part in them?

Hello again! As you know, MOC of the Month posts are beginning in May, but we were also thinking about introducing "themed" months or other kinds of competitions, as the userbase of this sub is big enough for things like that to take off (hopefully!). We of course need to take into account what would actually interest you. The kinds of lego technic builds you would enjoy creating and seeing on the sub. So 2 big questions, one open and one with only 2 possibilities: What kinds of themes would...