Before revision: The main subject and the associated verb in English must agree in grammatical number as per the Subject-Verb Agreement (SVA) phenomenon. It has been found that the presence of a noun between the verb and the main subject , whose grammatical number is opposite to that of the main subject, can cause speakers to produce a verb that agrees with the intervening nounrather than the main noun;
After revision: Previous work suggests that RNNs trained on natural language corpora can capture number agreement well for simple sentences but perform less well when sentences contain agreement attractors: intervening nouns between the verb and the main subject , whose grammatical number is opposite to that of the main subject, can cause speakers to produce a verb that agrees with the intervening nounrather than the main noun;