Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Company | ICB Sector | Ticker symbol | Index weighting (%) at 17 January 2013 | Market cap. at April 2013 (€) |
| --- | --- | --- | --- | --- |
| Accor | hotels | AC | 0.65 | 6.02 |
| Air Liquide | commodity chemicals | AI | 4.08 | 29.49 |
| Alstom | industrial machinery | ALO | 0.96 | 9.40 |
| ArcelorMittal | steel | MT | 1.69 | 15.4 |
| AXA | full line insurance | CS | 3.40 | 31.45 |
| BNP Paribas | banks | BNP | 6.24 | 48.78 |
| Bouygues | heavy construction | EN | 0.60 | 6.57 |
| Capgemini | computer services | CAP | 0.70 | 5.56 |
| Carrefour | food retailers and wholesalers | CA | 1.54 | 14.67 |
| Crédit Agricole | banks | ACA | 1.02 | 15.65 |
| EADS | aerospace | EAD | 1.89 | 31.82 |
| EDF | electricity | EDF | 0.57 | 28.78 |
| Essilor | medical supplies | EI | 2.05 | 17.74 |
| Gemalto | cyber security | GTO | 0.76 | 5.86 |
| GDF Suez | gas distribution | GSZ | 2.84 | 37.22 |
| Groupe Danone | food products | BN | 4.07 | 34.37 |
| L'Oréal | personal products | OR | 3.65 | 73.48 |
| Lafarge | building materials and fixtures | LG | 1.25 | 13.83 |
| Legrand | electrical components and equipment | LR | 1.14 | 8.74 |
| LVMH | clothing and accessories | MC | 5.02 | 65.95 |
| Michelin | tires | ML | 1.85 | 11.56 |
| Orange | telecommunications | ORA | 2.27 | 20.44 |
| Pernod Ricard | distillers and vintners | RI | 2.52 | 25.04 |
| PPR | broadline retailers | PP | 1.64 | 20.85 |
| Publicis | media agencies | PUB | 1.19 | 11.15 |
| Renault | automobiles | RNO | 1.10 | 14.67 |
| Safran | aerospace and defence | SAF | 1.08 | 14.37 |
| Saint-Gobain | building materials and fixtures | SGO | 1.78 | 14.57 |
| Sanofi | pharmaceuticals | SAN | 12.19 | 102.87 |
| Schneider Electric | electrical components and equipment | SU | 4.04 | 33.14 |
| Société Générale | banks | GLE | 3.04 | 19.82 |
| Solvay | chemicals | SOLB | 0.94 | 8.54 |
| STMicroelectronics | semiconductors | STM | 0.54 | 5.25 |
| Technip | oil equipment and services | TEC | 1.18 | 9.24 |
| Total | integrated oil and gas | FP | 11.96 | 86.94 |
| Unibail-Rodamco | real estate investment trusts | UL | 2.31 | 16.80 |
| Vallourec | industrial machinery | VK | 0.58 | 4.56 |
| Veolia Environnement | water | VIE | 0.44 | 5.01 |
| Vinci | heavy construction | DG | 2.42 | 20.34 |
Question:
Name the icb sector for ai
Answer:
commodity chemicals