Multi-choice problem: Given the following context

Tatyana knew that Grandma always enjoyed serving an abundance of food to *her* guests. Now Tatyana watched as Grandma gathered Tatyana 's small mother into a wide, scrawny embrace and then propelled her to the table, lifting her shawl from her shoulders, seating her in the place of honor, and saying simply: "There's plenty."

Are "Grandma" and "her" the same?

Options are:
 - no;
 - yes;
A:
no