The B2 Point 4 in the category of FOCUS is defined as
‘The reason (that)’, ‘The place (which)’ + clause as subject + ‘be’ for focus.
*although the verb ‘be’ is probably the most common, for complexity, we should also accept any verb after the clause.
The reason that less number of workers were paid relief is that a large number of registered workers don’t renew their registrations, and many have not paid their yearly registration fees, the official said.
The place, which is managed by the SSD Concerts company, promises to follow all measures of social distancing, from the parking lot to the toilets and observation decks.