Diorama is the fourth studio album by Australian alternative rock band Silverchair. Released on 31 March 2002 by Atlantic/. It won the 2002 ARIA Music Award for Best Group and Best Rock Album. The album was co-produced by Daniel Johns and David Bottrill. While Bottrill had worked on albums for a variety of other bands, "Diorama" marked the first production credit for lead singer Johns.
Daniel Johns and David Bottrill have spoken to each other
Can we draw the following hypothesis from the context? 

Context:

Diorama is the fourth studio album by Australian alternative rock band Silverchair. Released on 31 March 2002 by Atlantic/. It won the 2002 ARIA Music Award for Best Group and Best Rock Album. The album was co-produced by Daniel Johns and David Bottrill. While Bottrill had worked on albums for a variety of other bands, "Diorama" marked the first production credit for lead singer Johns.

Hypothesis: Daniel Johns and David Bottrill have spoken to each othern
Options: 

 - yes

 - it is not possible to tell

 - no
yes
Can we draw the following hypothesis from the context? 

Context:

Diorama is the fourth studio album by Australian alternative rock band Silverchair. Released on 31 March 2002 by Atlantic/. It won the 2002 ARIA Music Award for Best Group and Best Rock Album. The album was co-produced by Daniel Johns and David Bottrill. While Bottrill had worked on albums for a variety of other bands, "Diorama" marked the first production credit for lead singer Johns.

Hypothesis: Daniel Johns and David Bottrill have spoken to each othern
Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant