Sentence:[e1]Lesions[/e1] involving the medial part of the premotor cortex, the supplementary motor area (SMA) and the rear portion of the medial part of the precentral gyrus caused a contralateral, severe leg-predominant [e2]hemiplegia[/e2], distally predominant and a less severe proximal weakness of the arm.
 e1: Lesions. 
 e2 : hemiplegia.
Answer: Cause-Effect(e1,e2)