Assertion: bat | /r/CapableOf | cling in crevice
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Source sentences:
text: The bat protectors wielded head and hand torches and began by painstakingly sweeping their beams up and down the curved walls of the tunnel, inspecting ginger-coloured fungi, straggly like beards, and searching for the bats that clung in crevices where mortar or brickwork had come away.