In Greece , after all attempts to form a government failed following the parliamentary election in May 2012 , a new second election in mid - June had to be announced .
Head entity: second election in mid-june Q751553 21 22 23 24 25 26
Tail entity: parliamentary election in may 2012 Q429958 13 14 15 16 17
Relation (head \u2192 tail): P155
Inverse relation (tail \u2192 head): P156