Read the following premise and answer if the hypothesis is true.
Krystyna Klimczak (born September 24, 1992 in Oświęcim, Poland) is a Polish figure skater who has competed as a single skater and pair skater. As a pair skater, she competed with Janusz Karweta. They were the 2007 Polish national silver medalists. They received the host wildcard entry to the 2007-2008 Junior Grand Prix Final, where they placed 9th. Their partnership ended in 2009.
Hypothesis: Krystyna Klimaczak and her partner Janusz Karweta competed together in 2007 and 2009.. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
Yes
Yes