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while True:
    try:
        cons = []
        n = int(raw_input())
        for i in range(n):
            cons.append(raw_input())
        count_var = 0
        dustbin = []
        for con in cons:
            for cha in con:
                if 65 <= ord(cha) <= 90 and cha not in dustbin:
                    dustbin.append(cha)
                    count_var = count_var + 1
        t = int(raw_input())
        for i in range(t):
            assign = {}
            result = 'Yes'
            for j in range(count_var):
                key, val = raw_input().split()
                assign[key] = val
            for con in cons:
                con_ = ''
                for cha in con:
                    if cha in assign:
                        con_ = con_ + assign[cha]
                    else:
                        con_ = con_ + cha
                if not eval(con_):
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