Question: Bob and wheel is the common name for a metrical device most famously used by the poet whose body of work includes some of the most well-regarded poetry written in what?
Sentence (from "Pearl Poet"): Its author appears also to have written the poems "Sir Gawain and the Green Knight", "Patience", and "Cleanness"; some scholars suggest the author may also have composed "Saint Erkenwald".
Relevant evidence: No