Help me understand this law

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I own a SFH that has an attached in-law suite. It's perfectly legal and up to all codes. (The law calls it an "accessory dwelling unit" even though it's attached) I want to rent the house as two separate units. There is a single front door for entry, and an additional door for each side once you get in, it is totally separated. Legally speaking, my house cannot be designated "multifamily" under any circumstances due to zoning.

The law regarding in-law suites is confusing to me. It states:

The two paragraphs seem to contradict each other. 
"for owner occupancy or rental or lease on weekly or longer terms"
and then
"the structure shall not be defined as multi-family and shall not serve as a rental unit for gain"

Am I not allowed to rent out this extra suite in my house? Only my relatives can live there for free? That doesn't make any sense. If this was a normal house I could rent each room separately, that would be perfectly legal. They would be "roommates". Am I not allowed to rent this house to "roommates"?