Answer
The load is primarily capacitive in circuit (1) and in circuit (4)
Work Step by Step
When $\phi \lt 0$, then $X_C \gt X_L$ and the load is primarily capacitive.
The load is primarily capacitive when $~~\phi = -15^{\circ}~~$ in circuit (1) and $~~\phi = -\frac{\pi}{6}~rad~~$ in circuit (4)
The load is primarily capacitive in circuit (1) and in circuit (4)