Not faring so well was Twitter (Xetra: A1W6XZ - news ) , which sank 11pc in extended trade after the microblogging company said its monthly average users grew at the slowest pace since it went public in 2013.
Analyze the relationship between 'Twitter' and 'microblogging' within the context of the input sentence.
Options: location of formation, product/material produced, parent organization, original broadcaster