Read the following paragraph and determine if the hypothesis is true:

Reinhard E. Ketterer (born 1948 in Garmisch-Partenkirchen) is a German retired competitive figure skater who competed for West Germany as a single skater and pair skater. As a single skater, he is the 1969 German national champion, and as a pair skater, he is the 1972 German bronze medalist with partner Gabriele Cieplik. He is still a figure skating coach.

Hypothesis: Reinhard E. Ketterer was a pair skater with Gabriele Cieplik in 1969.
It's impossible to say