Extract the main verb from the following sentence and classify it according to its tense.
She is eating lunch
The main verb in the sentence "She is eating lunch" is "eating". It is in the present continuous tense.
Complete the following task based on the instruction and optional input provided.### Instruction:
Extract the main verb from the following sentence and classify it according to its tense.

### Input:
She is eating lunch

### Output:
The main verb in the sentence "She is eating lunch" is "eating". It is in the present continuous tense.