Construction workers stand near tracks at night .
It is probable that a group of construction workers have been called out to a railway yard at midnight because some equipment collapsed .
There is almost no chance that a group of construction workers have been called out to a railway yard at midnight because some equipment collapsed .
It is probable that a group of construction workers have been called out to a railway yard at midnight because some equipment collapsed .
A group of construction workers have been called out to a railway yard at midnight because some equipment collapsed .