Classic Lamp<br>Tom was over at his girlfriend's house. Her parent's had a lot of antiques. Tom accidentally dropped a lamp. It was worth thousands of dollars. Tom spent a long time paying them back for it.
The lamp had to be replaced.
We don't know if it had to be replaced.
( z1 obligate :ARG2 ( z2 replace :ARG1 ( z3 lamp ) ) )