However, witnesses said some of the black-clad gunmen who attacked a police station and government buildings in Baquba, 60 km (40 miles) northwest of Baghdad, proclaimed loyalty to Zarqawi and wore yellow headbands linking them to his group.
The clothes they wore was an indication to their affiliation
Can we draw the following hypothesis from the context? 

Context:

However, witnesses said some of the black-clad gunmen who attacked a police station and government buildings in Baquba, 60 km (40 miles) northwest of Baghdad, proclaimed loyalty to Zarqawi and wore yellow headbands linking them to his group.

Hypothesis: The clothes they wore was an indication to their affiliationn
Options: 

 - yes

 - it is not possible to tell

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

Context:

However, witnesses said some of the black-clad gunmen who attacked a police station and government buildings in Baquba, 60 km (40 miles) northwest of Baghdad, proclaimed loyalty to Zarqawi and wore yellow headbands linking them to his group.

Hypothesis: The clothes they wore was an indication to their affiliationn
Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant