Assertion: clumber spaniel's origin | /r/HasProperty | little unclear
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Source sentences:
text: Although the exact origins of the Sprocker Spaniel are a little unclear, as previously mentioned, it is thought that gamekeepers either accidentally or purposefully crossed Springers with Cocker Spaniels with an end goal being to produce a hardworking gundog capable of working in more challenging conditions and over harsher terrains.