A monkey is walking across a wire.
A monkey is currently sitting.
A monkey has the ability to both have been walking or sitting.
exists e1 x1 x2.(across(e1,x2) & n_wire(x2) & Actor(e1,x1) & v_walk(e1) & n_monkey(x1))
exists e1 s1 x1.(a_currently(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_monkey(x1))