solve it please

6 - question Five elements 1 2 3 4 5 are pushed to a stack in given order (1 is pushed first). The stack is popped 3 times and each element is inserted to a queue. Two elements are dequeued and each dequeued element is pushed to the stack. What are the contents of stack now? a) Bottom: [1 2 4 5] b) Bottom: [1 2 5 4] c) Bottom: [1 3 5 4] d) Bottom: [1 3 4 5] a) a b) Ob c) O C d) Od