The correlation coefficient for blood pressure and amount of vegetables eaten in a group of people is −0.7. analyze the following statement:

is this a reasonable conclusion?

no; blood pressure and eating vegetables are completely unrelated
no; even though there is a strong negative correlation, not eating vegetables doesn't necessarily cause high blood pressure
yes; eating vegetables reduces blood pressure, so the opposite is also true
yes; the correlation coefficient is below −0.5, so that implies causation