When did my mother call me?
[IN:GET_CALL_TIME [SL:CONTACT [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION mother ] ] ] ]
When did my mother call me?
[IN:GET_CALL_TIME [SL:CONTACT [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION mother ] ] ] ]