How do I save Doctor Worry in Level 305?

Drag two cheeses to Doctor Worry, then drag the remaining cheese onto the rain cloud.

Why does the umbrella fail?

The umbrella is a trap that triggers lightning; the cheese sequence is the recorded solution.

The dark rain cloud turns white, the rain stops, and Doctor Worry dries off.

Brain Test 4 level guide

medium 7 colors

Brain Test 4 Level 305 drags two cheeses to Doctor Worry, then places the last cheese on the rain cloud.

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Colors in this level:

White, Gray, Blue, Turquoise, Brown, Yellow, Black

Use all three cheeses in order and leave the umbrella untouched.
Feed two cheeses to Doctor Worry, then place the final cheese on the rain cloud.
Wait for the rain to stop and Doctor Worry to dry before expecting the green check.

Board notes 5 details

Layout: Doctor Worry stands under a dark rain cloud and in a puddle; a blue umbrella and gray barrel are on the right, with three cheese pieces around the board.
Goal: Stop the rain and dry Doctor Worry without using the umbrella.
Opening: The cheeses are at the lower-left, on the barrel, and just to the barrel's right.
Danger Zone: Dragging the blue umbrella onto Doctor Worry triggers lightning instead of saving him.
Mechanics: Two cheeses go to Doctor Worry; the remaining cheese goes to the cloud and changes the weather.

How do I save Doctor Worry in Level 305?
Drag two cheeses to Doctor Worry, then drag the remaining cheese onto the rain cloud.
Why does the umbrella fail?
The umbrella is a trap that triggers lightning; the cheese sequence is the recorded solution.
What changes when the last cheese hits the cloud?
The dark rain cloud turns white, the rain stops, and Doctor Worry dries off.