A sodium bicarbonate rocket (sometimes called an Alka-Seltzer rocket) is a model rocket fashioned from a 35mm film canister and propelled by the pressure of a gas, often carbon dioxide, generated from the reaction of an acid with sodium bicarbonate. Sodium bicarbonate rockets are often used in science classes to demonstrate principles of chemistry and physics.
Can we infer the following?
they use 40mm film cannisters to make the rockets

Choices:
[1]. Yes;
[2]. It's impossible to say;
[3]. No;
The answer is:
[3].