Based on the text provided, Sarah's car color is blue. Here's the step-by-step explanation: 1. The text states that "Sarah's car is the same color as the sky on a clear day. " 2. It then says that "the sky is not green on a clear day. " This doesn't explicitly state the color but helps eliminate green. 3. Continuing, it mentions that "John owns a blue car. " While we don't know if this is related to Sarah's car color, it does demonstrate that blue is a color used in relation to vehicles in the text. 4. The text concludes with mentioning that "Peter's car is red. " Again, unrelated to Sarah but showing that red is a color used in reference to vehicles in this context. 5. With no further information about Sarah's car color other than it being the same as the sky on a clear day, and knowing that green is explicitly stated not to be that color, we are left with the implied connection between Sarah's car, and John's car (both vehicles, both described in terms of color). 6. Therefore, since John's car is blue and Sarah's car color matches that of the sky on a clear day, we can infer that Sarah's car is also blue.