premise: Cooking with chocolate<br>Marissa loved to bake with chocolate. As she was allergic to it, she used her husband to taste the dough. Her husband, who loved chocolate, was happy to help. So much so that over the years he was the one taking on weight. Marissa had to stop baking as much or her husband would become sick.
hypothesis: Marissa keeps chocolate on hand to bake with and eat.
reason: Reason:  She is allergic-- She only keeps it for baking.  Why:  Context mentions she uses it often in baking.