Given the task definition and input, reply with output. You are given a paragraph (Passage), a question (Question) and two answer options (Option1 and Option2). Your task is to choose the correct answer to the question based on the passage. Answer of the question cannot be found directly from the passage, it is indirectly indicated in the passage. Do not answer with words other than the two options, and do not answer with option titles(e.g. "option1" or "1" are not acceptable answers.)

Passage: I notice that my fuel level is almost empty . I drive to the nearest gas station . I pull into the closest lane . I park and open the fuel cap . I enter my pin number when prompted . I select the proper type of gas for my car . I put the nozzle into the gas tank . While waiting for the gas tank to fill , I open my hood . I get a paper towel . I pull out the oil level reader . I insert the reader back into the oil tank . My oil level is good . I close the hood . I throw away the paper towel . The gas pump clicks off . I remove the nozzle and replace it in the gas pump . I collect my receipt . I then get in my car and drive off . Question: When did they wipe it with the paper towel? Option1: before going to the station Option2: after checking the reader
after checking the reader