You are given a sentence and your task is to generate another sentence that supports the given input.
One example: In spite of this reduced heat input, the surface temperature of Venus is higher than that of the Earth.
Solution is here: Venus has a warmer average surface temperature than earth.
Explanation: Output statement supports the input statement's claim about the temperatures of Venus being higher than the earth.

Now, solve this: An electrical circuit is a network consisting of a closed loop, giving a return path for the current.
Solution:
Because charges must have an unbroken path to follow, electric current cannot flow through a material unless it forms a closed loop.