Let my sister know that the Charger's game starts at 3:00pm on Sunday via message.
[IN:SEND_MESSAGE Let [SL:RECIPIENT [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION sister ] ] ] know that [SL:CONTENT_EXACT the Charger 's game starts at 3 : 00 pm on Sunday ] via message . ]