Ask my brother William if he prefers a chocolate or strawberry cake at his house party on Friday.
[IN:SEND_MESSAGE Ask [SL:RECIPIENT [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION brother ] [SL:CONTACT William ] ] ] [SL:CONTENT_EXACT if he prefers a chocolate or strawberry cake at his house party on Friday ] . ]