メアリー は、 好き だ。mearii wa, suki da.
As for Mary, I like her.
May imply there's someone else I don't like.

Note
May imply there's someone else I don't like.Breakdown of mearii wa, suki da.
はwa
topic particle
好きsuki
liked; likeable; loved; lovable
だda
to be
メアリーmearii
Mary
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