Objective: To make a splash guard when using a hand mixer.

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

OPTIONS:
a). Punch a hole in the center of an ice cream lid or a paper cup to use as a handy splash guard for your hand or stand mixer. This will prevent unfortunate splatters as you add more ingredients to the mixing bowl.
b). Punch a hole in the center of an ice cream lid or a paper plate to use as a handy splash guard for your hand or stand mixer. This will prevent unfortunate splatters as you add more ingredients to the mixing bowl.
b).