Objective: To make a spoon out of a plastic bottle,

Which of the following solutions is more sound in terms of naive physics reasoning?

Available choices: (a). take the bottle cap lid off of the bottle and then dip it into your food to take spoonfuls of the food out.. (b). carve away the rounded knob on the base as the cup for the spoon and then cut a strip above it for the handle..
(b).