A beam size of 1 would indicate greedy search.
the clinical/medical domain recieves much attention for NLP (Shardlow et al., 2018;Yunus et al., 2019;Jahangir et al., 2017;Nawaz et al., 2012) and is well suited to the task of text simplification as there is a need for experts (i.e., clinicians) to communicate with non-experts (i.e., patients) in a language commonly understood by both.