I've been stuck between 168- 171 on my practice tests. It does not matter if I do them timed or untimed, I've been stuck at this level for 1 year, despite my best efforts of taking the PowerScore advanced LR course, drilling, ...
... : If tax adopted -> Discontinue story hours -> parents inconvenienced story hours are not discontinued
so: ~(Parents incon) -> ~(discontinue story) -> ~(tax adopted)