Logical thinking is the ability to think based on the given information, the facts, by connecting them, in order to arrive at a logical solution. This kind of thinking is related to the reason, which makes sense of what is being written or spoken. Reason connects causes and consequences in a logical way, based on relevant details, and solves the problem. Revising strategy that contributes to better understanding, logical linking and problem solving is adding relevant details.
You determine if the evidence is relevant and if it directly answers the writing prompt when writing your essay by seeing if any quotes are relevant to the question or explains or possibly gives any background.