A company has undertaken a large transformation project in preparation for the changing economy. During the planning of the transformation project, the key resource from human resources (HR) refuses to approve the proposed project plan. What should the project manager do to gain an understanding of the cause for the resource's refusal?

While a team meeting may facilitate communication among multiple stakeholders, it is less effective for addressing the specific concerns of the key resource. This option could lead to general discussions that may not adequately address the individual’s specific reasons for refusal, potentially prolonging the misunderstanding.

Reaching out to the supervisor might provide some context about the resource's refusal; however, it can lead to miscommunication or speculation rather than addressing the issue directly. This indirect approach may not yield the detailed insights needed to understand the resource's perspective.

Talking to a colleague may provide some information, but this option relies on second-hand information that may not accurately represent the resource's viewpoint. Colleagues may not fully understand the reasons for the refusal, leading to potential misinterpretations and further confusion.