The given sentence contains a typo which could be one of the following four types: (1) swapped letters of a word e.g. 'niec' is a typo of the word 'nice'. (2) missing letter in a word e.g. 'nic' is a typo of the word 'nice'. (3) extra letter in a word e.g. 'nicce' is a typo of the word 'nice'. (4) replaced letter in a word e.g 'nicr' is a typo of the word 'nice'. You need to identify the typo in the given sentence. To do this, answer with the word containing the typo.

[Q]: Peolpe at an underground train station with a red train.
[A]: Peolpe


[Q]: a laotop on the floor with a cat on the laptop
[A]: laotop


[Q]: A man satnding in front of a tv holding a remote control.
[A]:
satnding