Question:
Which employer did Marissa Mayer work for in Aug, 2010?

Context:
 Marissa Mayer works for Google from Jan, 1999 to Jul, 2012. 
 Marissa Mayer works for Yahoo from Jul, 2012 to Jun, 2017. 
 Marissa Mayer works for Lumi Labs from Jul, 2017 to Dec, 2022.

Answer:
Question:
Which employer did Marissa Mayer work for in Aug, 2010?

Context:
 Marissa Mayer works for Google from Jan, 1999 to Jul, 2012. 
 Marissa Mayer works for Yahoo from Jul, 2012 to Jun, 2017. 
 Marissa Mayer works for Lumi Labs from Jul, 2017 to Dec, 2022.

Answer:
user
Google
assistant
Question:
Which employer did Marissa Mayer work for in Aug, 2010?

Context:
 Marissa Mayer works for Google from Jan, 1999 to Jul, 2012. 
 Marissa Mayer works for Yahoo from Jul, 2012 to Jun, 2017. 
 Marissa Mayer works for Lumi Labs from Jul, 2017 to Dec, 2022.

Answer:
user
Lumi Labs
Yahoo
assistant
Question:
Which employer did Marissa Mayer work for in Aug, 2010?

Context:
 Marissa Mayer works for Google from Jan, 1999 to Jul, 2012. 
 Marissa Mayer works for Yahoo from Jul, 2012 to Jun, 2017. 
 Marissa Mayer works for Lumi Labs from Jul, 2017 to Dec, 2022.

Answer:
user
Google
assistant