A recent study found no evidence of seasonal affective disorder in Iceland where the sun does not appear for a long time in the winter.
The sun appears often in iceland during the winter
( z1 appear :ARG1 ( z2 sun ) :frequency ( z3 often ) :location ( z4 country :name ( z5 name :op "Iceland" ) ) :time ( z6 date-entity :season ( z7 winter ) ) )