toplevel "Bike"; "Bike" or "Front" "Back"; "Front" wsp "FrontWheel" "SpareWheel"; "Back" wsp "RearWheel" "SpareWheel"; "FrontWheel" lambda=0.5 dorm=0.0; "RearWheel" lambda=0.5 dorm=0.0; "SpareWheel" lambda=1.0 dorm=0.1;