When West covered with the queen, he was permitted to win.
But when the ten was led West covered with the queen.
West covered with the queen, and was allowed to win the trick.
East covered promptly with the queen, and South played the king.
East did not cover with the queen, and South threw a club.
As the cards lie, East has to cover with the queen.
On a club return South tried the jack, which was covered with the queen and king.
South covered with the queen and thought it over when the king appeared.
But East covered with the queen, and the king won.
The club ten came next, covered with the queen and the king.