Examines the pengine's event queue and if necessary blocks execution
until a term that unifies to Term arrives in the queue. After a term
from the queue has been unified to Term, the term is deleted from the
Valid options are:
Time is a float or integer and specifies the maximum time to
wait in seconds. If no event has arrived before the time is up EventTerm
is bound to the atom timeout.
Only listen to events from the pengine identified by Id.
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