How to select check box next to any given title

I am coming from Imacros and I use the R1 and R-1 to use relative positioning so that I can search for a service on the page and then check its respective box![checkbox|248x175]. This checkbox ID is dynamic so I cant use that reliably.

checkbox

Example:
TAG POS=R-1 TYPE=INPUT:CHECKBOX CONTENT=YES

How should I go about doing this type of thing in Kantu?