에: Locus ~> Circumstance

[gex 001 "{책상 desk} {위[p ko/에 Locus--Circumstance]||top-of} {앉았다 sat}." "I sat on the desk."]

[gex 002 "{나[p ko/는 `x]||I-TOP} {생각중[p ko/에 Locus--Circumstance]||thought-in} {잠겼다 immersed}" "I was immersed in thought."]