Lisa在学校门口捡到一只猫，黄白色的。用英语怎么写？

Lisa picked up a yellow-wilte cat at the school gate.

Lisa picked up a cat at the school gate,it was yellow and white.

具体时间状语有吗？没有就过去式了- -

Lisa picked a cat up,its color is yellow with white.

Lida picked up a grey-yellow cat at the school gate by accident.