source: [word=at] [lemma=the] [lemma=signature] [tag=□] □
destination: [word=at] [lemma=the] [lemma=signature] [tag=IN] □
spec: The only expert Rather offered is a handwriting expert and you can look at the signatures for yourself and see if they look the same . Development and demonstration of the CASCADE Ka-band telecommunications payload designed and built by Canadian companies .