Possessive-relative check: select all sentences that correctly use whose.
The company which staff work remotely expanded.
The cyclist whose helmet cracked was unhurt.✓پاسخ درست
The sculpture that surface gleams was cleaned.
The theatre whose roof leaked closed early.✓پاسخ درست
توضیح
Both the cyclist and the theatre can be antecedents of whose because the form marks possession for people and things. The company which staff is the closest distractor, but which alone cannot modify staff possessively.