Text my grandma and grandpa saying thank you for the birthday wishes.
[IN:SEND_MESSAGE Text [SL:RECIPIENT [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION grandma ] ] ] and [SL:RECIPIENT [IN:GET_CONTACT [SL:TYPE_RELATION grandpa ] ] ] saying [SL:CONTENT_EXACT thank you for the birthday wishes ] . ]