question: Airburst fuses could be which two things ?
answer: igniferious ( based on a burning fuse ) or mechanical ( clockwork )
turker_answer: Airburst fuses could be either igniferious ( based on a burning fuse ) or mechanical ( clockwork ) .
rule-based: Airburst fuses could be igniferious ( based on a burning fuse ) or mechanical ( clockwork two things .