Because of the FCC's "top-four" rule in its duopoly regulations, Nexstar was precluded from acquiring KWQC directly and was required to sell either WHBF (possibly in conjunction with the SSA with KLJB) or KWQC to another company.
As a result of the FCC's "top-four" regulation, Nexstar was unable to acquire KWQC outright and had to dispose of either WHBF (potentially in collaboration with the SSA and KLJB) or KWQC to another company.