sentences:  The plan soon went wrong, as the 2/5th in particular suffered a series of mishaps.By nightfall, Colonel Frank Berryman, the divisional chief of staff, had reached the conclusion that the 17th Infantry Brigade had become too tired and disorganised for further effort.This was only partly due to enemy action; the rest was attributable to Berryman's own plan, which had dispersed the brigade and provided it with inadequate armoured and, in the final stages, artillery support.