Group the following words based on their thematic categories.
Pizza, telephone, pasta, internet
- Italian food: Pizza, Pasta
- Communication: Telephone, Internet
Complete the following task based on the instruction and optional input provided.### Instruction:
Group the following words based on their thematic categories.

### Input:
Pizza, telephone, pasta, internet

### Output:
- Italian food: Pizza, Pasta
- Communication: Telephone, Internet