Question:
Which employer did David O. Sacks work for in Jun, 2011?

Context:
 David O. Sacks works for Yammer from Sep, 2008 to Jul, 2014. 
 David O. Sacks works for PayPal from Jan, 1999 to Jan, 2002. 
 David O. Sacks works for Craft Ventures from Jan, 2017 to Dec, 2022.

Answer:
Question:
Which employer did David O. Sacks work for in Jun, 2011?

Context:
 David O. Sacks works for Yammer from Sep, 2008 to Jul, 2014. 
 David O. Sacks works for PayPal from Jan, 1999 to Jan, 2002. 
 David O. Sacks works for Craft Ventures from Jan, 2017 to Dec, 2022.

Answer:
user
Yammer
assistant
Question:
Which employer did David O. Sacks work for in Jun, 2011?

Context:
 David O. Sacks works for Yammer from Sep, 2008 to Jul, 2014. 
 David O. Sacks works for PayPal from Jan, 1999 to Jan, 2002. 
 David O. Sacks works for Craft Ventures from Jan, 2017 to Dec, 2022.

Answer:
user
Craft Ventures
PayPal
assistant
Question:
Which employer did David O. Sacks work for in Jun, 2011?

Context:
 David O. Sacks works for Yammer from Sep, 2008 to Jul, 2014. 
 David O. Sacks works for PayPal from Jan, 1999 to Jan, 2002. 
 David O. Sacks works for Craft Ventures from Jan, 2017 to Dec, 2022.

Answer:
user
Yammer
assistant