First person is 186 centimeters tall and weighs 90 kg.

Second person is 183 centimeters tall and weighs 77 kg.

Third person is 180 centimeters tall and weighs 73 kg.

Fourth person is 173 centimeters tall and weighs 72 kg.

Fifth person is 168 centimeters tall and weighs 63 kg.

Sixth person is 173 centimeters tall and weighs 63 kg.

Seventh person is 165 centimeters tall and weighs 70 kg.

Eighth person is 168 centimeters tall and weighs 53 kg.

They used a spear just once in their lives, so they don't have too much experience. They are all males.

First chimp is a male, 140 centimeters tall and weighs 55 kg.

Second chimp is a male, 147 centimeters tall and weighs 60 kg.

Third chimp is a female, 130 centimeters tall and weighs 33 kg.

Fourth chimp is a male, 142 centimeters tall and weighs 51 kg.

Fifth chimp is a male, 138 centimeters tall and weighs 43 kg.

Sixth chimp is a female, 127 centimeters tall and weighs 36 kg.

Seventh chimp is a female, 137 centimeters tall and weighs 45 kg.

Eighth chimp is a female, 133 centimeters tall and weighs 39 kg.

The first lion is a female, 160 centimeters tall, and weighs 180 kg.

The second lion is a female, 165 centimeters tall, and weighs 190 kg.

The third lion is a female, 150 centimeters tall, and weighs 120 kg.

The fourth lion is a female, 155 centimeters tall, and weighs 170 kg.

The fifth lion is a female, 158 centimeters tall, and weighs 160 kg.

The sixth lion is a female, 145 centimeters tall, and weighs 110 kg.

The seventh lion is a female, 155 centimeters tall, and weighs 130 kg.

The eighth lion is a male, 152 centimeters tall, and weighs 25kg.

They don't know how to use tools, they are bare-handed and but have synchronous relationships with the lions they are riding.

The guys and the lion ridden chimps see each other in savannas, the chimps & lion see them as threats and suddenly attack the guys and the fight begins. Who would win?