Who is deciding, and who will carry it?
1A fictional design team is preparing a small model for a public display. Mina is coordinating the delivery, and Joon has offered to carry the model. Mina must decide whether Joon should carry it or whether another arrangement is needed. Joon has not yet been assigned the task. The model is still in the workroom, so none of these discussions reports a completed delivery.
2A member tries to shorten the meeting note. She writes, "Mina must decide whether to carry the model." Mina explains that this now sounds like a decision about carrying it herself. The original note concerned Joon as the possible carrier. Removing the subject changed the roles, even though the shorter sentence was grammatical. The member restores Joon and writes a full clause after whether.
3The team also talks about whether it should move the display to a different hall. No location is selected during the meeting. One note says, "If the display is moved, the hall will be closed briefly." This describes a consequence under a condition; it does not announce that the move has been approved. Before the meeting ends, Mina checks whether every note preserves the people and the uncertainty of the discussion. For a decision about her own action, she can use whether followed by a to-infinitive. For the decision involving Joon, she keeps his name in a full clause. The team will confirm the plan only after checking the transport arrangements.