The Following Children Understand One Concept Each

Multiple Choice

The following children understand one concept each. In this context, who among the following children understands the principle of transitivity?

A) Kathy understands that the symbols used in a language are arbitrary.
B) Berry understands that if George is taller than Tina and Tina is taller than Gia, then George is taller than Gia.
C) Winny understands that the quantity of water does not change even when it is filled in containers of different shapes.
D) Sam understands that tulips belong to the category of flowers.