A Sweetheart or a Card From a Sweetheart
Puzzle 9 of Groups of Three Easy Pack
Question is: A Sweetheart or a Card From a Sweetheart
and the answer is: VALENTINE
Word Meaning:
VALENTINE — An expression of affection, especially romantic affection, usually in the form of greeting card, gift, or message given the object of one's affection, especially on February 14th.
Definitions from Wiktionary.