Can you make a UML design

Parent Class: Train

Fields:

trainNumber $($string$)$: Represents the unique identification number of the train.

Methods:

startEngine$()$: Starts the train's engine.

stopEngine$()$: Stops the train's engine.

Child Class $1$: PassengerTrain $($inherits from Train$)$

Fields:

passengerCapacity $($int$)$: Represents the maximum number of passengers the passenger train can carry.

Methods:

boardPassenger$()$: Allows passengers to board the train.

disembarkPassenger$()$: Allows passengers to disembark from the train.

Child Class $2$: FreightTrain $($inherits from Train$)$

Fields:

cargoCapacity $($double$)$: Represents the maximum cargo capacity of the freight train in tons.

Methods:

loadCargo$()$: Loads cargo onto the train.

unloadCargo$()$: Unloads cargo from the train.

Grandchild Class $1$: HighSpeedTrain $($inherits from PassengerTrain$)$

Fields:

maximumSpeed $($int$)$: Represents the maximum speed the high$-$speed passenger train can achieve in kilometers per hour.

Methods:

increaseSpeed$()$: Increases the train's speed.

decreaseSpeed$()$: Decreases the train's speed.

Grandchild Class $2$: CoalTrain $($inherits from FreightTrain$)$

Fields:

coalType $($string$)$: Represents the type of coal being transported by the coal train $($e$.$g$.,$ anthracite, bituminous$).$

Methods:

burnCoal$()$: Simulates the process of burning coal in a power plan