I think that adding the following conditions as sub events to on touched batao will fix that (if you delete the action as well/ move it to the sub events)
1)touch.y is greater than or = arvore.y-(arvore.height/2)
1)touch.y is less than or= arvore.y+(arvore.height/2)
A)touch.x greater than arvore.x+(arvore.width/2)----->set acao to 13
B)touch.x less than arvore.x-(arvore.width/2)----->set acao to 13
2)touch.x greater than arvore.x+(arvore.width/2)
2)touch.x less than arvore.x-(arvore.width/2)
A)touch.y is greater than or= arvore.y-(arvore.height/2)-->set acao to 13
B)touch.y is less than or= arvore.y+(arvore.height/2)-->set acao to 13