x1=l1=c1 vets / makes determination about adequecy / reviews / investigates x2=l2=c2=b1 for purpose x3=b2 (under conditions / in context x4=b3 among options x5=c2) by means x6=l3.
x1=s1 opposes / is contrary to / against / hinders / [resists] x2=s2 towards force / opposition / harm / resistance / goal (possibly indirect) x3=s3 with [direct] force / by means / with x4=s4.