An elevator cabin accelerates with a constant acceleration \(\vec{a} = a_x\hat{i} + a_y\hat{j}\) relative to the ground, where \(a_x > 0\), \(a_y > 0\), and the acceleration due to gravity is \(\vec{g} = -g\hat{j}\). Inside the cabin, a pendulum consisting of a small bob of mass \(m\) suspended by a light string hangs at rest relative to the cabin, deflected at a constant angle \(\theta\) from the downward vertical. Which row in the table correctly classifies the reference frame of the elevator cabin and provides the expression for \(\tan\theta\)?

	Reference Frame of Cabin	\(\tan\theta\)
(A)	Inertial	\(\dfrac{a_x}{g - a_y}\)
(B)	Inertial	\(\dfrac{a_x}{g + a_y}\)
(C)	Non-inertial	\(\dfrac{a_x}{g - a_y}\)
(D)	Non-inertial	\(\dfrac{a_x}{g + a_y}\)