what – she – say (would – complete – chores – effectively)
A: What did she say? B: She said (that) she would complete the chores effectively.
what – she – tell – him – gadget (would – become – worn out – soon)
A: What did she tell him about the gadget? B: She told him (that) the gadget would become worn out soon.
what – they – promise – do (would – provide – automatic devices)
A: What did they promise (that) they would do? B: They promised (that) they would provide automatic devices.
what – the saleswoman – say (should – clean – robot vacuum cleaner – daily)
A: What did the saleswoman say? B: She said (that) I/we/they should clean the robot vacuum cleaner daily.
what – she – tell – him – hands-free cleaning robot (could – be – time-saving)
A: What did she tell him about the hands-free cleaning robot? B: She told him (that) it could be time-saving.