Problem: Does "The backs of tippers carrying asphalt/bitumen, as well as some handling equipment, are also commonly sprayed with a releasing agent before filling to aid release." answer the question "Due to what concerns is diesel fuel no longer used as a release agent for transporting asphalt?"

A: no

Problem: Does "For this reason the borders between Estonia and Russia are still not defined." answer the question "What document established the border between Russia and Estonia?"

A: no

Problem: Does "On 19 July, it was announced that Vilanova was resigning as Barcelona manager because his throat cancer had returned, and he would be receiving treatment for the second time after a three-month medical leave in December 2012." answer the question "Who did Vilanova replace as manager?"

A:
no