can you answer the conflict and view serializability

Dear student! Please answer the following assignment For each of the following schedule, Check for conflict and view serializability? the sequence will be the same order that the transactions have appeared in the each schedule. S1: R1(x) R2(Y) R3(Y) W2(X) W3(Y) R1(X) S2: R1(A) W1(A) R2(A) W2(A) R2(B) W2(B) R1(B) W1(B) S3: R1(A) W2(A) W1(A) W3(A) S4: R3(A) W3(A) R1(A) W2(A) W1(A)