Fruit And Vegetable Wholesalers Would The Following Contract Be Bilateral Or Unilateral? And What Are The Rights Of Each Party?

Would the following contract be bilateral or unilateral? And what are the rights of each party? - fruit and vegetable wholesalers

Dulce is a wholesaler of fruit and vegetables. Fresh Food Grocer phones and says he has a cool truck fresh tomatoes from Florida within the next day. Sale costs, the trucks full of tomatoes for $ 3000. Fresh grocery store said he would think about it. Two days pass, no contacts grocery costs. Fresh friendly contacts and markets and sells the truck of tomatoes. Grocery now wants tomatoes.