question: Radio communication was possible between which two spacecrafts in August 11 and 12 , 1962 ?
answer: Vostok 3 and Vostok 4
turker_answer: Radio communication was possible between two spacecrafts , Vostok 3 and Vostok 4 in August 11 and 12 , 1962 .
rule-based: Radio communication was possible between Vostok 3 and Vostok 4 two spacecrafts in August 11 and 12 , 1962 .