What Are the Stoichiometric Coefficients for Oxygen and Water, Respectively $\frac{9}{2}$

What are the stoichiometric coefficients for oxygen and water, respectively, in the balanced chemical reaction equation representing the combustion of butane (C ₄H₁₀) ?

A) 13, 10
B) 9, 5
C) 4, 5
D) $\frac{9}{2}$ , 10
E) 13, 5