$4.$ Which sentence$($s$)$ best describe relationships depicted in this diagram? Answer based on what the diagram denotes, not based on what you think the $$real world$$should$$ have. Check all that apply.

$[$ x $]$ Each apartment must have one or more renters

$[]$ Each renter must rent one and only one apartment

$[]$ Each apartment may have one or more renters

$[]$ Each renter may have one and only one apartment

$[]$ Each apartment must have one and only one renter

$[]$ Each renter may rent one or more apartments