 
 <prompt> Which one of di following no be characteristic of solar balloons: payload-weight, surface area, or market? Based on di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: "A solar balloon na black balloon wey dem fill with ordinary air. As sunlight dey shine on top the balloon, the air wey dey inside dey heat up and expand, wey dey cause am to dey rise up like hot air balloon wey dem heat artificially. Some solar balloons dey big reach to carry person fly, but e dey mostly use for toy market sake of say the surface-area to payload-weight ratio dey high." 