Mayor Adams appears to be leaning toward selecting “ Safe&Affordable ” as his ballot line in November’s election as opposed to “EndAntiSemitism” after New York City’s elections board told him late Tuesday he must soon pick one of them.

Still, Adams — who has made support for Israel and fighting antisemitism key focuses of his reelection bid — vowed Wednesday to mount a legal challenge to be able to run on both lines.

It’s unclear if there’s enough though time for him to mount such a court case.

In a letter sent to Adams late Tuesday, a copy of which was obtained by the Daily News, the BOE wrote he needs to “inform this Board in writing within five business days of the date of this letter of your choice as to which row or column you wish to have.” If Adams doesn’t make a pick by that d

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