Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Andy Goodman:  Tommy , where are you ?
Tornado Tommy: I 'm lookin ' at the St. Louis Arch . Ha - ha . Wait ' til you see some of this footage I 've been gettin ' , Andy !
Andy Goodman: Huh . I 'm a little jealous . Tommy , listen . Our readings are showing this thing 's spawning F4 , F5 tornadoes . What are you seeing ?
Tornado Tommy: I 'm seeing _ one _ coming up right behind my tail ! I got ta go ! I got ta go !
Andy Goodman: Tommy ? Wait ... Tommy ?

tornadoes