The online offer states "Two pairs of trainers for the price of one!". To evaluate the statements:
Based on the information provided in the image, all three statements appear to be correct interpretations of the online offer. However, since the task is to choose the *correct* answer, and usually in multiple-choice questions there's only one best answer, there might be an intended emphasis. Without further context or specific instructions on how to select only one answer if all are factually correct based on the text, it's impossible to definitively choose a single 'correct' answer among the three options presented. If this is a multiple choice question where only one option can be selected, and assuming the goal is to identify a key condition or feature of the offer, option 1 (purchase requirement) or option 3 (time limit) are strong candidates for being the intended answer if only one can be chosen. Option 2 describes the accessibility of the offer. If forced to choose the most specific conditions, option 1 and 3 are more like conditions than option 2 which describes where it can be availed. However, since the provided image only shows the question and not the actual multiple-choice selection interface, I cannot select a definitive single answer from the options provided.