Complete the following sentence: Takahashi/Tran placed 4th at their first Junior Grand Prix event. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ They won the senior title at the 2008<unk>09 Japanese Championships. <unk> <unk> <unk>
2009 Junior Worlds, they placed 7th.