Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to deal with obesity in cockatoos [title] Change your bird's diet. [step] Cockatoos need a diet comprised of 65% to 80% pelleted food and 15% to 30% vegetables. Seeds and fruit should be given in moderation only.

Ending1: Add yogurt to your bird's diet to keep it balanced and to prevent overeating. [title] Feed your cockatoos a legume. Ending2: Obesity is often caused by a seed-based diet, so invest in high quality pellets designed for cockatoos instead of providing a seed diet. [substeps] Make sure your bird is actually eating its pellets. Ending3: Choose : [substeps] Seeds dha shredded nuts reduced bran dried fruit's fat content grains tree salt providing bird with whole grain bread high protein grasses hay [title] Remove stress and drive bad behavior into consideration. [step] Birds have anger or mood swings which can be harmful to them. Ending4: Refrain from giving your bird all or most of this food. [substeps] Make sure to avoid feeding your bird pellets.

Answer format: ending1/ending2/ending3/ending4