economists who read september 's low level of factory job growth as a sign of a slowdown Pipeline september 's low level of factory job growth who as a sign of a slowdown reads economists TBDIL economists who read september 's low level of factory job growth as a sign of a slowdown instance, because of incorrect linearization, there is error propagation to morphological generation in the pipeline system.
economists is linearized to the object part of the sentence and the subject is singular.