Building a table<br>My friends and I wanted to build a table. We started by making the surface. Then, we cut and shaped the legs. Finally, we attached the legs to the table surface. Now we have a beautiful table to work on.
They have to make the legs before they can attach them.
( z1 obligate :ARG2 ( z2 make :ARG0 ( z3 they ) :ARG1 ( z4 leg ) :time ( z5 before :op ( z6 possible :ARG1 ( z7 attach :ARG0 z3 :ARG1 z4 ) ) ) ) )