question: What changes did Microsoft make to its certification requirements in March 2013 ?
answer: amended its certification requirements to allow tablets to use the 1024 × 768 resolution as a minimum
turker_answer: Microsoft amended its certification requirements to allow tablets to use the 1024 × 768 resolution as a minimum to its certification requirements in March 2013 .
rule-based: Microsoft made amended its certification requirements to allow tablets to use the 1024 × 768 resolution as a minimum to its certification requirements in March 2013 .