Who were these Japanese children cheering in 1993?

Continuing my series of interesting stories from 1993, this time it is a test for your knowledge of Tokyo hospitals.

Who was released from a Tokyo hospital, watched by a hundred cheering kindergarten children?

a) The Emperor of Japan,
b) Douglas Hurd, or
c) A duck that had flown around Japan for more than a month impaled with an arrow?

Answer: (c), of course.