They needed grape juice for their party, they went to buy it and other snacks at the what?\nOptions:\n- field\n- restaurant\n- salad\n- market\n- food store
Let's think step by step.
food store
Food store is a shop that sells ready-to-eat food products.

Grape juice and other snacks are ready-to-eat food products.

.

Therefore, the answer is food store