In which sentence is the relative pronoun used within the object of a preposition

answer: a mother fears that the poor lighting poses a danger to the children who play there.

mla format- ridge, kari. letter to davis hamletter. 17 apr. 2009. ms. n.p.

apa format- ridge, k. (2009, april 17). [letter to davis hamletter].  

all epic heroes overcome powerful forces that arise from their particular ways of life. modern heroes may conquer the unknowns of outer space or bring food or medicine to hungry people. the anglo-saxon hero slew monsters. of course, monsters exist only in fantasy. but a monster may be an archetypal symbol for some broader problem or challenge a society faces. pagan germans, greeks, and other ancient peoples believed that fame and glory are the only things that will survive a human being's death.   one of beowulf's main goals is to win glory by killing grendel. his deeds have given him a reputation for heroism and support from his people to the danes. when he goes into the lake to fight grendel's mother, the bystanders fear he has lost his life—and fame: here, death equals defeat equals loss of glory. even when old, beowulf wants to seek fame by fighting the dragon. he doesn't wish to die at the end, but when he sees that it is inevitable, he asks his warriors to build a tower that will keep his name alive in memory.

explanation: