NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Identify the propositions in the form "p if and only if in English. The trains run late on exactly those days when I take it. (Check all that apply.) Check All That Apply The train runs late if and only if it is a day I take the train. The train does not runs late if and only if it is not a day I take the train. The train does not runs late if and only if it is a day I take the train. The train runs late if and only if it is not a day I take the train