Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Is this Australia's most haunted town? A growing number of residents in the regional Queensland town of Toowoomba are documenting a series of spine-tingling encounters with ghosts. The other-worldly activity is so frequent, a team of ghost hunters has set up shop in the not-so-sleepy town. Toowoomba Ghost Chasers has travelled around Toowoomba and the surrounding areas since it was created by Kylie Samuels and Katie Harvey, who hope they are the ones locals call when there's something strange in the neighbourhood. 'We have found Toowoomba is full of ghosts,' founder Ms Samuels said. The group has researched a number of reported sightings, and documents them with photos, videos and audio recordings.The number of 'ghost encounters' in Toowoomba, Queensland, on the riseThe regional city is considered by some 'Australia's most haunted' town'We have found Toowoomba is full of ghosts,' one paranormal chaser saysGhost chasers believe they have captured dozens of encounters on film 
 Question:Mr Mulligan said _'s history is what makes it a haven for spirits.

Toowoomba