Problem: Does "Ten of England's eighteen species of bats have been recorded in Epping Forest: soprano, nathusius and common pipistrelles, noctule, serotine, barbastelle, daubenton's, brown Long-eared, natterer's and leisler's." answer the question "It appears that otters may be returning to the city of London after how long an absence?"

A: no

Problem: Does "For radio waves, one important reflector is the ionosphere which can change the wave's polarization." answer the question "What mostly affects polarization?"

A: no

Problem: Does "Mossad LeAliyah Bet continued to take part in immigration efforts until its disbanding in 1953." answer the question "When did the Mossad LeAliyah Bet disband?"

A:
yes