Task: Error-Detect (source dataset: Spreadsheet-Tables)

Task: 
You are given a column of data from a table. Your job is to examine each value in the column, and identify if there is any clear data error in the column. An data error in the context of the column, can be values that are misspelled (typos), values that are formatted incorrectly, or values that are semantically incompatible with the rest of the column, etc., such that we can determine without ambiguity that such values are errors in the column. 

Since real-world data can vary widely in meaning and format, if you are uncertain whether a value is an error, please do not mark it as one. Only flag a value if you are confident that it is clearly a data error.

No explanation and return the final answer as a JSON object, {"obvious_error": "<CELL>"}. If you detect no error in the data, return {"obvious_error": null}.

Column:
| c                                                           |
|:------------------------------------------------------------|
| urban new york - wb countertop  40 x 40 cm                  |
| urban shanghai - wb countertop  40 x 40 cm                  |
| urban rio - wb countertop  40 x 40 cm                       |
| urban london - wb countertop  40 x 40 cm                    |
| urbi 1 ø45 cm                                               |
| urbi 2 66x38 cm (without overflow hole)                     |
| urbi 6 64x43 cm                                             |
| urbi 8 55x40 cm (without overflow hole)                     |
| terra 39 cm                                                 |
| fuego 49x39 cm (without overflow holeo)                     |
| sofia wb countertop  46x41 cm                               |
| bolø42 cm                                                   |
| terraii ø39 cm                                              |
| diverta 75x44 cm (possible wall installation)               |
| diverta 47x44 cm (possible wall installation)               |
| rodeo 52x41 cm                                              |
| aloa 56x47,5 cm                                             |
| neo selene 51x39,5 cm                                       |
| coral-n 56x48 cm                                            |
| java56x47,5 cm                                              |
| foro ø36 cm                                                 |
| foro ø40 cm                                                 |
| kalahari 59x50 cm                                           |
| diverta 55x42,5 cm                                          |
| diverta 50x38 cm                                            |
| berna 56x42 cm                                              |
| grand berna 62x39cm                                         |
| foro ø41 cm                                                 |
| stratum double 130x50 cm (possible mounting on the counter) |
| stratum 110x50 cm (possible mounting on the counter)        |
| stratum 90x50 cm (possible mounting on the counter)         |
| kalahari 65x45 cm                                           |
| kalahari 65x45 cm (with hole for tap)                       |
| kalahari 80x49 cm (without hole)                            |
| kalahari 80x49 cm (with hole)                               |
| kalahari double 120x51 cm                                   |
| kalahari 100x51 cm                                          |
| mohave 75x43 cm                                             |
| mohave 75x43 cm (with hole for taps)                        |