instruction:
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.
question:
a btahroom with tiled walls, a shower, and a tub.
answer:
btahroom


question:
Fou frames of different people doing various activity's.
answer:
Fou


question:
A thikc sandwich on a white plate, a bowl of pickles and a glass of water.
answer:

thikc