how many building are there in the science labs 连词成句

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howmanybuildingarethereinthesciencelabs连词成句howmanybuildingarethereinthesciencelabs连词成句howmanybuildin

how many building are there in the science labs 连词成句
how many building are there in the science labs 连词成句

how many building are there in the science labs 连词成句
how many science labs are there in the building?