Message my friend Damien about what time I can meet him at the Science Museum expo on Thursday.
[IN:SEND_MESSAGE Message [SL:RECIPIENT [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION friend ] [SL:CONTACT Damien ] ] ] about [SL:CONTENT_EXACT what time I can meet him at the Science Museum expo on Thursday ] . ]